{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54627", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T20:07:02.185Z", "datePublished": "2026-09-17T19:47:14.090Z", "dateUpdated": "2026-09-18T20:10:15.233Z"}, "containers": {"cna": {"title": "SAIL: Heap out-of-bounds write in SAIL PSD decoder (Bitmap mode ignores depth)", "problemTypes": [{"descriptions": [{"cweId": "CWE-122", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-787", "lang": "en", "description": "CWE-787: Out-of-bounds Write", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm"}, {"name": "https://github.com/HappySeaFox/sail/commit/f44a8b779a1fc527fc6bc5caa71a66a8ed940d50", "tags": ["x_refsource_MISC"], "url": "https://github.com/HappySeaFox/sail/commit/f44a8b779a1fc527fc6bc5caa71a66a8ed940d50"}, {"name": "https://github.com/HappySeaFox/sail/releases/tag/v1.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/HappySeaFox/sail/releases/tag/v1.0.0"}], "affected": [{"vendor": "HappySeaFox", "product": "sail", "versions": [{"version": "< 1.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-17T19:47:14.090Z"}, "descriptions": [{"lang": "en", "value": "SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. In 0.9.10 and earlier, psd_private_sail_pixel_format() in src/sail-codecs/psd/helpers.c resolves a one-channel PSD in Bitmap color mode to SAIL_PIXEL_FORMAT_BPP1_INDEXED without requiring the file depth to be one, so the pixel buffer uses one-bit rows while sail_codec_load_frame_v8_psd() in src/sail-codecs/psd/psd.c accepts depth == 8 and writes one attacker-controlled byte per pixel. Loading a crafted PSD through sail_load_from_file() or sail_load_from_memory() therefore writes beyond each heap row, causing memory corruption, a reliable crash, or potential code execution. This mode/depth mismatch is distinct from GHSA-rcqx-gc76-r9mv and GHSA-wcj8-hxxf-pq2c. This issue is fixed in version 1.0.0."}], "source": {"advisory": "GHSA-ccqf-rv86-h3wm", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-18T20:09:52.440545Z", "id": "CVE-2026-54627", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T20:10:15.233Z"}}]}}

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{"affected": [{"affectedData": [{"product": "sail", "vendor": "HappySeaFox", "versions": [{"status": "affected", "version": "< 1.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SAIL is a cross-platform library for loading and saving images with support for animation, metadata, and ICC profiles. In 0.9.10 and earlier, psd_private_sail_pixel_format() in src/sail-codecs/psd/helpers.c resolves a one-channel PSD in Bitmap color mode to SAIL_PIXEL_FORMAT_BPP1_INDEXED without requiring the file depth to be one, so the pixel buffer uses one-bit rows while sail_codec_load_frame_v8_psd() in src/sail-codecs/psd/psd.c accepts depth == 8 and writes one attacker-controlled byte per pixel. Loading a crafted PSD through sail_load_from_file() or sail_load_from_memory() therefore writes beyond each heap row, causing memory corruption, a reliable crash, or potential code execution. This mode/depth mismatch is distinct from GHSA-rcqx-gc76-r9mv and GHSA-wcj8-hxxf-pq2c. This issue is fixed in version 1.0.0."}], "id": "CVE-2026-54627", "lastModified": "2026-09-23T18:12:04.247", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54627", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-18T20:09:52.440545Z", "version": "2.0.3"}}]}, "published": "2026-09-17T20:16:52.117", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/HappySeaFox/sail/commit/f44a8b779a1fc527fc6bc5caa71a66a8ed940d50"}, {"source": "security-advisories@github.com", "url": "https://github.com/HappySeaFox/sail/releases/tag/v1.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/HappySeaFox/sail/security/advisories/GHSA-ccqf-rv86-h3wm"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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