{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91802", "assignerOrgId": "14984358-7092-470d-8f34-ade47a7658a2", "state": "PUBLISHED", "assignerShortName": "Foxit", "dateReserved": "2026-09-15T07:34:43.392Z", "datePublished": "2026-09-23T07:50:37.787Z", "dateUpdated": "2026-09-23T14:43:02.854Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "14984358-7092-470d-8f34-ade47a7658a2", "shortName": "Foxit", "dateUpdated": "2026-09-23T07:50:37.787Z"}, "title": "Foxit PDF Editor/Reader \u2014 Heap Buffer Overflow in WebP Image Decoding via Bitmap Stride Confusion", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-787", "description": "Out-of-bounds Write (CWE-787)", "type": "CWE"}]}], "impacts": [{"descriptions": [{"lang": "en", "value": "Potential arbitrary code execution"}]}], "affected": [{"vendor": "Foxit Software Inc.", "product": "Foxit PDF Editor", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "Versions 2026.2 and earlier"}, {"status": "affected", "version": "Versions 14.0.7 and earlier"}], "defaultStatus": "unaffected"}, {"vendor": "Foxit Software Inc.", "product": "Foxit PDF Reader", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "Versions 2026.2 and earlier"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader\u2019s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A heap-based out-of-bounds write vulnerability exists in Foxit PDF Editor/Reader\u2019s WebP image decoding due to improper handling of bitmap stride and target buffer formats. Successful exploitation could result in an application crash."}]}], "references": [{"url": "https://www.foxit.com/support/security-bulletins.html"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}}], "credits": [{"lang": "en", "value": "Liang Zhu", "type": "finder"}], "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-23T14:42:49.234407Z", "id": "CVE-2026-91802", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-09-23T14:43:02.854Z"}}]}}