CVE-2026-63501

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63501", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-16T21:49:52.069Z", "datePublished": "2026-11-03T19:30:03.984Z", "dateUpdated": "2026-11-03T21:32:16.967Z"}, "containers": {"cna": {"title": "ag-psd: Uncontrolled Memory Allocation in PSD Layer Decoding (totalMemoryLimit bypass)", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "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/Agamnentzar/ag-psd/security/advisories/GHSA-6w3r-6hpr-hp6p", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/Agamnentzar/ag-psd/security/advisories/GHSA-6w3r-6hpr-hp6p"}, {"name": "https://github.com/Agamnentzar/ag-psd/commit/57ea7d865238b6b7c8a2e976bcf2a77e03116e2f", "tags": ["x_refsource_MISC"], "url": "https://github.com/Agamnentzar/ag-psd/commit/57ea7d865238b6b7c8a2e976bcf2a77e03116e2f"}, {"name": "https://github.com/Agamnentzar/ag-psd/releases/tag/31.0.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/Agamnentzar/ag-psd/releases/tag/31.0.3"}], "affected": [{"vendor": "Agamnentzar", "product": "ag-psd", "versions": [{"version": "< 31.0.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-03T19:30:03.984Z"}, "descriptions": [{"lang": "en", "value": "ag-psd is a JavaScript library for reading and writing Photoshop Document files. Prior to 31.0.3, readPsd() accepts a totalMemoryLimit for parsing untrusted PSD files, but decodeLayerImageData expects a differently named memoryLimit property and therefore passes an undefined limit to createImageDataBitDepth. An attacker who can supply a PSD to an application with layer decoding enabled can use attacker-controlled layer dimensions to trigger an allocation larger than the configured limit, causing process memory exhaustion and denial of service. The advisory also identifies inflateSync(compressed) decompressing ZIP-encoded channel data without an output-size cap, which can cause a similar denial of service through unbounded decompression. This vulnerability is fixed in 31.0.1."}], "source": {"advisory": "GHSA-6w3r-6hpr-hp6p", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/Agamnentzar/ag-psd/security/advisories/GHSA-6w3r-6hpr-hp6p", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-03T21:31:51.692243Z", "id": "CVE-2026-63501", "options": [{"Exploitation": "poc"}, {"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": "2026-11-03T21:32:16.967Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "ag-psd", "vendor": "Agamnentzar", "versions": [{"status": "affected", "version": "< 31.0.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ag-psd is a JavaScript library for reading and writing Photoshop Document files. Prior to 31.0.3, readPsd() accepts a totalMemoryLimit for parsing untrusted PSD files, but decodeLayerImageData expects a differently named memoryLimit property and therefore passes an undefined limit to createImageDataBitDepth. An attacker who can supply a PSD to an application with layer decoding enabled can use attacker-controlled layer dimensions to trigger an allocation larger than the configured limit, causing process memory exhaustion and denial of service. The advisory also identifies inflateSync(compressed) decompressing ZIP-encoded channel data without an output-size cap, which can cause a similar denial of service through unbounded decompression. This vulnerability is fixed in 31.0.1."}], "id": "CVE-2026-63501", "lastModified": "2026-11-12T22:18:51.470", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-63501", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-03T21:31:51.692243Z", "version": "2.0.3"}}]}, "published": "2026-11-03T20:18:17.100", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/Agamnentzar/ag-psd/commit/57ea7d865238b6b7c8a2e976bcf2a77e03116e2f"}, {"source": "security-advisories@github.com", "url": "https://github.com/Agamnentzar/ag-psd/releases/tag/31.0.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/Agamnentzar/ag-psd/security/advisories/GHSA-6w3r-6hpr-hp6p"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/Agamnentzar/ag-psd/security/advisories/GHSA-6w3r-6hpr-hp6p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,31.0.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "ag-psd", "source": "cna", "vendor": "Agamnentzar"}, "product": "ag-psd", "vendor": "agamnentzar"}], "created": "2026-11-03T21:15:03.272918+00:00", "updated": "2026-11-03T21:15:03.878314+00:00", "vendors": ["agamnentzar", "agamnentzar$PRODUCT$ag-psd"]}