CVE-2026-22774

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-22774", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-09T18:27:19.387Z", "datePublished": "2026-01-15T18:53:21.963Z", "dateUpdated": "2026-07-15T01:19:21.983Z"}, "containers": {"cna": {"title": "devalue vulnerable to denial of service due to memory exhaustion in devalue.parse", "problemTypes": [{"descriptions": [{"cweId": "CWE-405", "lang": "en", "description": "CWE-405: Asymmetric Resource Consumption (Amplification)", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/sveltejs/devalue/security/advisories/GHSA-vw5p-8cq8-m7mv", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-vw5p-8cq8-m7mv"}, {"name": "https://github.com/sveltejs/devalue/commit/e46afa64dd2b25aa35fb905ba5d20cea63aabbf7", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/devalue/commit/e46afa64dd2b25aa35fb905ba5d20cea63aabbf7"}, {"name": "https://github.com/sveltejs/devalue/releases/tag/v5.6.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/sveltejs/devalue/releases/tag/v5.6.2"}], "affected": [{"vendor": "sveltejs", "product": "devalue", "versions": [{"version": ">= 5.3.0, < 5.6.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-15T18:57:01.001Z"}, "descriptions": [{"lang": "en", "value": "Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.3.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse input from untrusted sources. This affects applications using devalue.parse on externally-supplied data. The root cause is the typed array hydration expecting an ArrayBuffer as input, but not checking the assumption before creating the typed array. This vulnerability is fixed in 5.6.2."}], "source": {"advisory": "GHSA-vw5p-8cq8-m7mv", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-15T19:16:06.462171Z", "id": "CVE-2026-22774", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-15T19:16:10.500Z"}}, {"affected": [{"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:trusted_artifact_signer:1.2::el9"], "defaultStatus": "affected", "packageName": "rhtas/rekor-search-ui-rhel9", "product": "Red Hat Trusted Artifact Signer 1.2", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1770739056", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:trusted_artifact_signer:1.3::el9"], "defaultStatus": "affected", "packageName": "rhtas/rekor-search-ui-rhel9", "product": "Red Hat Trusted Artifact Signer 1.3", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1770107452", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:podman_desktop:0"], "defaultStatus": "affected", "packageName": "rhdesktop/rh-podman-desktop-ext-bootc-rhel10", "product": "Red Hat Build of Podman Desktop - Tech Preview", "vendor": "Red Hat"}], "datePublic": "2026-01-15T18:53:21.963Z", "descriptions": [{"lang": "en", "value": "A flaw was found in devalue, a JavaScript library used for serializing values. A remote attacker can exploit this vulnerability by providing specially crafted input to the devalue.parse function. This can cause the application to consume excessive CPU time and memory, leading to a denial of service (DoS) condition. The root cause is an unchecked assumption during typed array hydration, where an ArrayBuffer is expected but not validated."}], "metrics": [{"other": {"content": {"namespace": "https://access.redhat.com/security/updates/classification/", "value": "Important"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "format": "CVSS"}], "problemTypes": [{"descriptions": [{"cweId": "CWE-405", "description": "Asymmetric Resource Consumption (Amplification)", "lang": "en", "type": "CWE"}]}], "references": [{"tags": ["vdb-entry", "x_refsource_REDHAT"], "url": "https://access.redhat.com/security/cve/CVE-2026-22774"}, {"name": "RHBZ#2430095", "tags": ["issue-tracking", "x_refsource_REDHAT"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430095"}, {"tags": ["x_sadp-csaf-vex"], "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22774.json"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:2926"}, {"tags": ["vendor-advisory", "x_refsource_REDHAT"], "url": "https://access.redhat.com/errata/RHSA-2026:2144"}], "solutions": [{"lang": "en", "value": "RHSA-2026:2926: Red Hat Trusted Artifact Signer 1.2"}, {"lang": "en", "value": "RHSA-2026:2144: Red Hat Trusted Artifact Signer 1.3"}], "timeline": [{"lang": "en", "time": "2026-01-15T19:01:29.258Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-01-15T18:53:21.963Z", "value": "Made public."}], "title": "devalue: devalue: Denial of Service due to excessive resource consumption from untrusted input", "x_adpType": "supplier", "x_generator": {"engine": "sadp-cli 1.0.0"}, "providerMetadata": {"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-07-15T01:19:21.983Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "devalue: devalue: Denial of Service due to excessive resource consumption from untrusted input", "metrics": [{"other": {"type": "Red Hat severity rating", "content": {"value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/"}}}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"cpes": ["cpe:/a:redhat:trusted_artifact_signer:1.2::el9"], "vendor": "Red Hat", "product": "Red Hat Trusted Artifact Signer 1.2", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:trusted_artifact_signer:1.3::el9"], "vendor": "Red Hat", "product": "Red Hat Trusted Artifact Signer 1.3", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:podman_desktop:0"], "vendor": "Red Hat", "product": "Red Hat Build of Podman Desktop - Tech Preview", "defaultStatus": "affected"}], "timeline": [{"lang": "en", "time": "2026-01-15T19:01:29.258Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-01-15T18:53:21.963Z", "value": "Made public."}], "solutions": [{"lang": "en", "value": "RHSA-2026:2926: Red Hat Trusted Artifact Signer 1.2"}, {"lang": "en", "value": "RHSA-2026:2144: Red Hat Trusted Artifact Signer 1.3"}], "x_adpType": "supplier", "datePublic": "2026-01-15T18:53:21.963Z", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-22774", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430095", "name": "RHBZ#2430095", "tags": ["issue-tracking", "x_refsource_REDHAT"]}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22774.json", "tags": ["x_sadp-csaf-vex"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:2926", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}, {"url": "https://access.redhat.com/errata/RHSA-2026:2144", "tags": ["vendor-advisory", "x_refsource_REDHAT"]}], "x_generator": {"engine": "sadp-cli 1.0.0"}, "descriptions": [{"lang": "en", "value": "A flaw was found in devalue, a JavaScript library used for serializing values. A remote attacker can exploit this vulnerability by providing specially crafted input to the devalue.parse function. This can cause the application to consume excessive CPU time and memory, leading to a denial of service (DoS) condition. The root cause is an unchecked assumption during typed array hydration, where an ArrayBuffer is expected but not validated."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-405", "description": "Asymmetric Resource Consumption (Amplification)"}]}], "providerMetadata": {"orgId": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "shortName": "redhat-SADP", "dateUpdated": "2026-06-30T02:43:27.674Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-22774", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-15T19:16:06.462171Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-15T19:16:08.312Z"}}], "cna": {"title": "devalue vulnerable to denial of service due to memory exhaustion in devalue.parse", "source": {"advisory": "GHSA-vw5p-8cq8-m7mv", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "sveltejs", "product": "devalue", "versions": [{"status": "affected", "version": ">= 5.3.0, < 5.6.2"}]}], "references": [{"url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-vw5p-8cq8-m7mv", "name": "https://github.com/sveltejs/devalue/security/advisories/GHSA-vw5p-8cq8-m7mv", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/sveltejs/devalue/commit/e46afa64dd2b25aa35fb905ba5d20cea63aabbf7", "name": "https://github.com/sveltejs/devalue/commit/e46afa64dd2b25aa35fb905ba5d20cea63aabbf7", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/sveltejs/devalue/releases/tag/v5.6.2", "name": "https://github.com/sveltejs/devalue/releases/tag/v5.6.2", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.3.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse input from untrusted sources. This affects applications using devalue.parse on externally-supplied data. The root cause is the typed array hydration expecting an ArrayBuffer as input, but not checking the assumption before creating the typed array. This vulnerability is fixed in 5.6.2."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-405", "description": "CWE-405: Asymmetric Resource Consumption (Amplification)"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-15T18:57:01.001Z"}}}, "cveMetadata": {"cveId": "CVE-2026-22774", "state": "PUBLISHED", "dateUpdated": "2026-06-30T02:43:27.674Z", "dateReserved": "2026-01-09T18:27:19.387Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-01-15T18:53:21.963Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "devalue", "vendor": "sveltejs", "versions": [{"status": "affected", "version": ">= 5.3.0, < 5.6.2"}]}], "source": "security-advisories@github.com"}, {"affectedData": [{"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:trusted_artifact_signer:1.2::el9"], "defaultStatus": "affected", "packageName": "rhtas/rekor-search-ui-rhel9", "product": "Red Hat Trusted Artifact Signer 1.2", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1770739056", "versionType": "rpm"}]}, {"collectionURL": "https://catalog.redhat.com/software/containers/", "cpes": ["cpe:/a:redhat:trusted_artifact_signer:1.3::el9"], "defaultStatus": "affected", "packageName": "rhtas/rekor-search-ui-rhel9", "product": "Red Hat Trusted Artifact Signer 1.3", "vendor": "Red Hat", "versions": [{"lessThan": "*", "status": "unaffected", "version": "1770107452", "versionType": "rpm"}]}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:podman_desktop:0"], "defaultStatus": "affected", "packageName": "rhdesktop/rh-podman-desktop-ext-bootc-rhel10", "product": "Red Hat Build of Podman Desktop - Tech Preview", "vendor": "Red Hat"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:svelte:devalue:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "8EF7822F-5387-4831-9C9C-54BF822F0DA5", "versionEndExcluding": "5.6.2", "versionStartIncluding": "5.3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Svelte devalue is a JavaScript library that serializes values into strings when JSON.stringify isn't sufficient for the job. From 5.3.0 to 5.6.1, certain inputs can cause devalue.parse to consume excessive CPU time and/or memory, potentially leading to denial of service in systems that parse input from untrusted sources. This affects applications using devalue.parse on externally-supplied data. The root cause is the typed array hydration expecting an ArrayBuffer as input, but not checking the assumption before creating the typed array. This vulnerability is fixed in 5.6.2."}, {"lang": "es", "value": "Svelte devalue es una biblioteca de JavaScript que serializa valores en cadenas cuando JSON.stringify no es suficiente para la tarea. Desde la 5.3.0 hasta la 5.6.1, ciertas entradas pueden hacer que devalue.parse consuma tiempo de CPU y/o memoria excesivos, lo que podr\u00eda llevar a una denegaci\u00f3n de servicio en sistemas que analizan entradas de fuentes no confiables. Esto afecta a las aplicaciones que usan devalue.parse en datos suministrados externamente. La causa ra\u00edz es la hidrataci\u00f3n de arrays tipados que espera un ArrayBuffer como entrada, pero no verifica la suposici\u00f3n antes de crear el array tipado. Esta vulnerabilidad est\u00e1 corregida en la 5.6.2."}], "id": "CVE-2026-22774", "lastModified": "2026-07-15T02:18:35.620", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-22774", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-15T19:16:06.462171Z", "version": "2.0.3"}}]}, "published": "2026-01-15T19:16:05.813", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/sveltejs/devalue/commit/e46afa64dd2b25aa35fb905ba5d20cea63aabbf7"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/sveltejs/devalue/releases/tag/v5.6.2"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/sveltejs/devalue/security/advisories/GHSA-vw5p-8cq8-m7mv"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:2144"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/errata/RHSA-2026:2926"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2026-22774"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430095"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22774.json"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-405"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-405"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "devalue: devalue: Denial of Service due to excessive resource consumption from untrusted input", "id": "2430095", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2430095"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-405", "details": ["A flaw was found in devalue, a JavaScript library used for serializing values. A remote attacker can exploit this vulnerability by providing specially crafted input to the devalue.parse function. This can cause the application to consume excessive CPU time and memory, leading to a denial of service (DoS) condition. The root cause is an unchecked assumption during typed array hydration, where an ArrayBuffer is expected but not validated."], "name": "CVE-2026-22774", "package_state": [{"cpe": "cpe:/a:redhat:podman_desktop:0", "fix_state": "Affected", "package_name": "rhdesktop/rh-podman-desktop-ext-bootc-rhel10", "product_name": "Red Hat Build of Podman Desktop - Tech Preview"}, {"cpe": "cpe:/a:redhat:trusted_artifact_signer:1", "fix_state": "Affected", "package_name": "rhtas/rekor-search-ui-rhel9", "product_name": "Red Hat Trusted Artifact Signer"}], "public_date": "2026-01-15T18:53:21Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-22774\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-22774\nhttps://github.com/sveltejs/devalue/commit/11755849fa0634ae294a15ec0aef2f43efcad7c4\nhttps://github.com/sveltejs/devalue/releases/tag/v5.6.2\nhttps://github.com/sveltejs/devalue/security/advisories/GHSA-vw5p-8cq8-m7mv"], "statement": "This vulnerability is rated Important for Red Hat products that utilize the `devalue` JavaScript library, such as pgAdmin 4, Red Hat Build of Podman Desktop, and Red Hat Trusted Artifact Signer. A remote attacker can exploit this flaw by providing specially crafted input to the `devalue.parse` function, leading to excessive CPU and memory consumption and a denial of service condition.", "threat_severity": "Important"}

{"analysis": {"en": {"generated_at": "2026-04-18T06:02:41.119556+00:00", "value": {"mitigation_remediation": ["Upgrade the Svelte devalue library to version 5.6.2 or later, which contains the fix for this issue.", "Validate and sanitize all externally supplied data before passing it to devalue.parse, ensuring the input is well\u2011formed and within acceptable size limits.", "Implement resource constraints or sandboxed execution for devalue.parse calls to limit CPU and memory usage, preventing potential exhaustion attacks."], "summary": {"action": "Immediate Patch", "impact": "Denial of Service via excessive memory/CPU consumption during parsing"}, "threat_synthesis": {"affected_systems": "Affected applications include those using the Svelte devalue JavaScript library in the Node.js environment, specifically versions 5.3.0 through 5.6.1 inclusive. Any software that calls devalue.parse with externally supplied data is vulnerable. Systems employing these library versions in a browser or server context may be impacted.", "description_and_impact": "devalue.parse, a function in the Svelte devalue library, can consume excessive CPU time and memory when processing certain inputs. This leads to a denial of service in systems that parse untrusted data with devalue.parse. The weakness is due to unvalidated typed array hydration that expects an ArrayBuffer, causing resource exhaustion. The impact is a loss of availability for applications that rely on this parsing function, and the vulnerability is fixed in version 5.6.2.", "risk_and_exploitability": "CVSS score 7.5 indicates high severity. EPSS < 1% suggests a low probability of exploitation, yet the vulnerability can be triggered by crafting malicious input to devalue.parse. The attack vector is likely remote when the application accepts network input that feeds the parser. The vulnerability is not listed in the CISA KEV catalog, but still poses a significant risk to availability for exposed services. Immediate remediation is advised to mitigate potential denial of service."}}}}, "created": "2026-01-16T13:43:07.301218+00:00", "updated": "2026-04-18T06:15:15.861874+00:00", "vendors": ["svelte", "svelte$PRODUCT$devalue"]}