{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33165", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-17T21:17:08.888Z", "datePublished": "2026-03-20T20:32:36.603Z", "dateUpdated": "2026-03-24T18:48:34.866Z"}, "containers": {"cna": {"title": "heap out-of-bounds write in libde265 1.0.16", "problemTypes": [{"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/strukturag/libde265/security/advisories/GHSA-653q-9f73-8hvg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/strukturag/libde265/security/advisories/GHSA-653q-9f73-8hvg"}, {"name": "https://github.com/strukturag/libde265/commit/c7891e412106130b83f8e8ea8b7f907e9449b658", "tags": ["x_refsource_MISC"], "url": "https://github.com/strukturag/libde265/commit/c7891e412106130b83f8e8ea8b7f907e9449b658"}, {"name": "https://github.com/strukturag/libde265/releases/tag/v1.0.17", "tags": ["x_refsource_MISC"], "url": "https://github.com/strukturag/libde265/releases/tag/v1.0.17"}], "affected": [{"vendor": "strukturag", "product": "libde265", "versions": [{"version": "< 1.0.17", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-20T20:32:36.603Z"}, "descriptions": [{"lang": "en", "value": "libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctb_info.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay constant but Log2CtbSizeY changes, causing set_SliceHeaderIndex to index past the allocated image metadata array and write 2 bytes past the end of a heap allocation. This issue has been patched in version 1.0.17."}], "source": {"advisory": "GHSA-653q-9f73-8hvg", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-24T18:45:05.537736Z", "id": "CVE-2026-33165", "options": [{"Exploitation": "poc"}, {"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": "2026-03-24T18:48:34.866Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-33165", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-24T18:45:05.537736Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-24T18:48:22.689Z"}}], "cna": {"title": "heap out-of-bounds write in libde265 1.0.16", "source": {"advisory": "GHSA-653q-9f73-8hvg", "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": "strukturag", "product": "libde265", "versions": [{"status": "affected", "version": "< 1.0.17"}]}], "references": [{"url": "https://github.com/strukturag/libde265/security/advisories/GHSA-653q-9f73-8hvg", "name": "https://github.com/strukturag/libde265/security/advisories/GHSA-653q-9f73-8hvg", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/strukturag/libde265/commit/c7891e412106130b83f8e8ea8b7f907e9449b658", "name": "https://github.com/strukturag/libde265/commit/c7891e412106130b83f8e8ea8b7f907e9449b658", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/strukturag/libde265/releases/tag/v1.0.17", "name": "https://github.com/strukturag/libde265/releases/tag/v1.0.17", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctb_info.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay constant but Log2CtbSizeY changes, causing set_SliceHeaderIndex to index past the allocated image metadata array and write 2 bytes past the end of a heap allocation. This issue has been patched in version 1.0.17."}], "problemTypes": [{"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": "2026-03-20T20:32:36.603Z"}}}, "cveMetadata": {"cveId": "CVE-2026-33165", "state": "PUBLISHED", "dateUpdated": "2026-03-24T18:48:34.866Z", "dateReserved": "2026-03-17T21:17:08.888Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-03-20T20:32:36.603Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:struktur:libde265:*:*:*:*:*:*:*:*", "matchCriteriaId": "40DB036E-3A5D-4245-B887-4123769ECB8D", "versionEndExcluding": "1.0.17", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.17, a crafted HEVC bitstream causes an out-of-bounds heap write confirmed by AddressSanitizer. The trigger is a stale ctb_info.log2unitSize after an SPS change where PicWidthInCtbsY and PicHeightInCtbsY stay constant but Log2CtbSizeY changes, causing set_SliceHeaderIndex to index past the allocated image metadata array and write 2 bytes past the end of a heap allocation. This issue has been patched in version 1.0.17."}], "id": "CVE-2026-33165", "lastModified": "2026-03-23T20:09:04.893", "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"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.3, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-03-20T21:17:16.453", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/strukturag/libde265/commit/c7891e412106130b83f8e8ea8b7f907e9449b658"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/strukturag/libde265/releases/tag/v1.0.17"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory", "Patch"], "url": "https://github.com/strukturag/libde265/security/advisories/GHSA-653q-9f73-8hvg"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.17)"}}], "enrichment": {"confidence": 94.0, "confidence_source": "matching", "scores": [{"score": 94.0, "source": "matching"}]}, "original": {"product": "libde265", "source": "cna", "vendor": "strukturag"}, "product": "libde265", "vendor": "struktur"}], "created": "2026-03-23T09:52:40.369203+00:00", "updated": "2026-03-23T09:52:40.369276+00:00", "vendors": ["struktur", "struktur$PRODUCT$libde265"]}