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CVE-2026-43905

OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.18.0 and 3.1.13.0, jpeg2000input.cpp:395 computes buffer size as const int bufsize = w * h * ch * buffer_bpp using signed 32-bit arithmetic. When the product exceeds INT_MAX, the result wraps to 0 or a small value. m_buf.resize() allocates an undersized buffer, and subsequent pixel write loops cause heap overflow. Conditional on USE_OPENJPH build flag. Th
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:e2f4f9a49dc3678e371550d556ba6a0f8f295382f2048495ee000fe62224e5ae
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"OpenImageIO","vendor":"AcademySoftwareFoundation","versions":[{"status":"affected","version":"< 3.0.18.0"},{"status":"affected","version":">= 3.1.4.0-beta, < 3.1.13.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5636a19a3e7b8bb4c553a4335498b0d62c5b4a84f12d9b787be2d1ee4219ac56 · sha256:c21b3692dbfda146… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5636a19a3e7b8bb4c553a4335498b0d62c5b4a84f12d9b787be2d1ee4219ac56 · sha256:c21b3692dbfda146… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5636a19a3e7b8bb4c553a4335498b0d62c5b4a84f12d9b787be2d1ee4219ac56 · sha256:c21b3692dbfda146… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-pj45-cf3g-28gq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5636a19a3e7b8bb4c553a4335498b0d62c5b4a84f12d9b787be2d1ee4219ac56 · sha256:c21b3692dbfda146… · /containers/adp/0/references/0
{"name":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-pj45-cf3g-28gq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-pj45-cf3g-28gq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5636a19a3e7b8bb4c553a4335498b0d62c5b4a84f12d9b787be2d1ee4219ac56 · sha256:c21b3692dbfda146… · /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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