CVE-2026-45382

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{"affected": [{"affectedData": [{"product": "libde265", "vendor": "strukturag", "versions": [{"status": "affected", "version": "< 1.0.19"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "libde265 is an open source implementation of the h.265 video codec. Prior to version 1.0.19, `decoder_context::decode_slice_unit_tiles` (libde265/decctx.cc:920) reads `pps.CtbAddrRStoTS[ctbAddrRS]` at line 966 where `ctbAddrRS = ctbY * ctbsWidth + ctbX` is computed from PPS-supplied `colBd[]`/`rowBd[]` arrays without validating the result against `CtbAddrRStoTS.size() == sps->PicSizeInCtbsY`. A malformed PPS that passes `set_derived_values` but encodes geometry inconsistent with the SPS produces a `ctbAddrRS` past the allocation, causing a 4-byte heap-buffer-overflow READ. Version 1.0.19 fixes the issue."}, {"lang": "es", "value": "libde265 es una implementaci\u00f3n de c\u00f3digo abierto del c\u00f3dec de video h.265. Antes de la versi\u00f3n 1.0.19, \u2019decoder_context::decode_slice_unit_tiles\u2019 (libde265/decctx.cc:920) lee \u2019pps.CtbAddrRStoTS[ctbAddrRS]\u2019 en la l\u00ednea 966, donde \u2019ctbAddrRS = ctbY * ctbsWidth + ctbX\u2019 se calcula a partir de los arrays \u2019colBd[]\u2019/\u2019rowBd[]\u2019 proporcionados por el PPS sin validar el resultado contra \u2019CtbAddrRStoTS.size() == sps -> PicSizeInCtbsY\u2019. Un PPS malformado que pasa \u2019set_derived_values\u2019 pero codifica una geometr\u00eda inconsistente con el SPS produce un \u2019ctbAddrRS\u2019 m\u00e1s all\u00e1 de la asignaci\u00f3n, causando una lectura de desbordamiento de b\u00fafer en el heap de 4 bytes. La versi\u00f3n 1.0.19 corrige el problema."}], "id": "CVE-2026-45382", "lastModified": "2026-10-24T19:10:00.127", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45382", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-23T14:10:46.639591Z", "version": "2.0.3"}}]}, "published": "2026-07-21T21:16:49.863", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/strukturag/libde265/security/advisories/GHSA-hwhx-x2mq-ccr9"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/strukturag/libde265/security/advisories/GHSA-hwhx-x2mq-ccr9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.19)"}}], "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": "2026-07-24T03:00:04.324403+00:00", "updated": "2026-07-30T16:30:05.503130+00:00", "vendors": ["struktur", "struktur$PRODUCT$libde265"]}