CVE-2026-55597

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-55597", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-16T23:18:03.170Z", "datePublished": "2026-07-01T19:03:29.911Z", "dateUpdated": "2026-07-01T19:21:38.493Z"}, "containers": {"cna": {"title": "ImageMagick: Heap Buffer Over-Write in JP2 encoder when due to incorrect handling of arguments", "problemTypes": [{"descriptions": [{"cweId": "CWE-682", "lang": "en", "description": "CWE-682: Incorrect Calculation", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-787", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4"}], "affected": [{"vendor": "ImageMagick", "product": "ImageMagick", "versions": [{"version": "< 7.1.2-26", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-01T19:03:29.911Z"}, "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-26, an incorrect handling of arguments can cause a heap buffer over-write in the JP2 encoder. This issue has been fixed in version7.1.2-26."}], "source": {"advisory": "GHSA-c4v7-w88g-m6c4", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-01T19:20:56.190744Z", "id": "CVE-2026-55597", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-07-01T19:21:38.493Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-55597", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-01T19:20:56.190744Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-01T19:21:29.675Z"}}], "cna": {"title": "ImageMagick: Heap Buffer Over-Write in JP2 encoder when due to incorrect handling of arguments", "source": {"advisory": "GHSA-c4v7-w88g-m6c4", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "ImageMagick", "product": "ImageMagick", "versions": [{"status": "affected", "version": "< 7.1.2-26"}]}], "references": [{"url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4", "name": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-26, an incorrect handling of arguments can cause a heap buffer over-write in the JP2 encoder. This issue has been fixed in version7.1.2-26."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-682", "description": "CWE-682: Incorrect Calculation"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787: Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-01T19:03:29.911Z"}}}, "cveMetadata": {"cveId": "CVE-2026-55597", "state": "PUBLISHED", "dateUpdated": "2026-07-01T19:21:38.493Z", "dateReserved": "2026-06-16T23:18:03.170Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-07-01T19:03:29.911Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "ImageMagick", "vendor": "ImageMagick", "versions": [{"status": "affected", "version": "< 7.1.2-26"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:imagemagick:imagemagick:*:*:*:*:*:*:*:*", "matchCriteriaId": "4440C012-DD6F-429A-9544-4AFD2822CC84", "versionEndExcluding": "7.1.2-26", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to version 7.1.2-26, an incorrect handling of arguments can cause a heap buffer over-write in the JP2 encoder. This issue has been fixed in version7.1.2-26."}], "id": "CVE-2026-55597", "lastModified": "2026-07-02T19:30:14.533", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55597", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-01T19:20:56.190744Z", "version": "2.0.3"}}]}, "published": "2026-07-01T19:16:55.363", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-682"}, {"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "ImageMagick: ImageMagick: Heap buffer overwrite via incorrect argument handling in JP2 encoder", "id": "2496158", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2496158"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in ImageMagick, a free and open-source software for editing and manipulating digital images. An incorrect handling of arguments in the JP2 encoder can lead to a heap buffer overwrite. This vulnerability could allow an attacker to cause a denial of service (DoS) by providing a specially crafted image, leading to an application crash."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2026-55597", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "ImageMagick", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2026-07-01T19:03:29Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-55597\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-55597\nhttps://github.com/ImageMagick/ImageMagick/commit/277541927c2de8317d4167ee16d57375f24971d3\nhttps://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-c4v7-w88g-m6c4"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.1.2-26)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ImageMagick", "source": "cna", "vendor": "ImageMagick"}, "product": "imagemagick", "vendor": "imagemagick"}], "created": "2026-07-01T21:00:12.934380+00:00", "updated": "2026-08-03T06:00:12.698265+00:00", "vendors": ["imagemagick", "imagemagick$PRODUCT$imagemagick"]}