{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-49337", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-29T14:35:45.902Z", "datePublished": "2026-06-19T19:53:18.817Z", "dateUpdated": "2026-06-22T14:00:14.667Z"}, "containers": {"cna": {"title": "libde265 has an unbounded memory leak via orphaned slice headers in `read_slice_NAL`", "problemTypes": [{"descriptions": [{"cweId": "CWE-770", "lang": "en", "description": "CWE-770: Allocation of Resources Without Limits or Throttling", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/strukturag/libde265/security/advisories/GHSA-g5hj-rf9f-7vxm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/strukturag/libde265/security/advisories/GHSA-g5hj-rf9f-7vxm"}, {"name": "https://github.com/strukturag/libde265/commit/683cb9fa603e35840642f98765ab95cdb71cadf9", "tags": ["x_refsource_MISC"], "url": "https://github.com/strukturag/libde265/commit/683cb9fa603e35840642f98765ab95cdb71cadf9"}], "affected": [{"vendor": "strukturag", "product": "libde265", "versions": [{"version": "< 1.0.20", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-19T20:10:36.194Z"}, "descriptions": [{"lang": "en", "value": "libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.20, a crafted sequence of H.265 NAL units causes `decoder_context::read_slice_NAL()` (`libde265/decctx.cc:481`) to attach slice headers to a finished picture object\nthat has no active image unit, resulting in attacker-controlled unbounded heap growth. The retained headers are never freed until the picture is released, which may not happen during continuous streaming. Version 1.0.20 patches the issue."}], "source": {"advisory": "GHSA-g5hj-rf9f-7vxm", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/strukturag/libde265/security/advisories/GHSA-g5hj-rf9f-7vxm", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-22T13:59:34.760551Z", "id": "CVE-2026-49337", "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": "2026-06-22T14:00:14.667Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.20)"}}], "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": "2026-06-19T21:30:17.792480+00:00", "updated": "2026-06-24T20:30:04.362825+00:00", "vendors": ["struktur", "struktur$PRODUCT$libde265"]}