{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107736", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-08T17:21:52.977Z", "datePublished": "2026-10-08T22:33:16.166Z", "dateUpdated": "2026-10-09T15:12:35.540Z"}, "containers": {"cna": {"title": "SumatraPDF: stack buffer overflow while processing EXIF Orientation metadata", "problemTypes": [{"descriptions": [{"cweId": "CWE-121", "lang": "en", "description": "CWE-121: Stack-based Buffer Overflow", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-px68-7vwv-mxpr", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/sumatrapdfreader/sumatrapdf/security/advisories/GHSA-px68-7vwv-mxpr"}, {"name": "https://github.com/sumatrapdfreader/sumatrapdf/commit/6fe2e0239d8ef3466174ac92f3f56e967ce1a4a7", "tags": ["x_refsource_MISC"], "url": "https://github.com/sumatrapdfreader/sumatrapdf/commit/6fe2e0239d8ef3466174ac92f3f56e967ce1a4a7"}], "affected": [{"vendor": "sumatrapdfreader", "product": "sumatrapdf", "versions": [{"version": "<= 3.6.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-08T22:33:16.166Z"}, "descriptions": [{"lang": "en", "value": "SumatraPDF is a multi-format reader for Windows. In 3.6.1 and earlier, MaybeFlipBitmap() asks GDI+ to read the attacker-controlled PropertyTagOrientation size through GetPropertyItem() while supplying only a fixed 64-byte buf on the stack. Opening a crafted TIFF with enough EXIF Orientation values can cause attacker-selected bytes to overwrite stack control data, while tested builds terminate through the stack cookie check. No broader impact is claimed beyond the advisory-supported conditions. No fixed version is available as of this review."}], "source": {"advisory": "GHSA-px68-7vwv-mxpr", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-09T14:54:54.646434Z", "id": "CVE-2026-107736", "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": "2026-10-09T15:12:35.540Z"}}]}}

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{}