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vuln-cve/data/2026/33xxx/CVE-2026-33165.json
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{
"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"
}
}
]
}
}