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CVE-2026-45382

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
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cae92f6f7b0093b034a1746614d2e774d2eb800690f0aebcc46168b651654df8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"libde265","vendor":"strukturag","versions":[{"status":"affected","version":"< 1.0.19"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:051139b2de4347609b3ea478a0a805207d2c18f2fdbc6c77a09a46e5abdcc9d3 · sha256:f019b3b35f23d1a9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","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","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:051139b2de4347609b3ea478a0a805207d2c18f2fdbc6c77a09a46e5abdcc9d3 · sha256:f019b3b35f23d1a9… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:051139b2de4347609b3ea478a0a805207d2c18f2fdbc6c77a09a46e5abdcc9d3 · sha256:f019b3b35f23d1a9… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/strukturag/libde265/security/advisories/GHSA-hwhx-x2mq-ccr9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:051139b2de4347609b3ea478a0a805207d2c18f2fdbc6c77a09a46e5abdcc9d3 · sha256:f019b3b35f23d1a9… · /containers/adp/0/references/0
{"name":"https://github.com/strukturag/libde265/security/advisories/GHSA-hwhx-x2mq-ccr9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/strukturag/libde265/security/advisories/GHSA-hwhx-x2mq-ccr9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:051139b2de4347609b3ea478a0a805207d2c18f2fdbc6c77a09a46e5abdcc9d3 · sha256:f019b3b35f23d1a9… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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