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CVE-2026-43904

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, softimageinput.cpp:469 (mixed RLE) and :345 (pure RLE) do not clamp the run length to remaining scanline width before writing pixels. The raw packet path (line 403) correctly clamps with std::min, but RLE paths skip this check. A crafted .pic file causes heap overflow up to 65535 bytes. This vulnerability is fixed in 3.0.18.0 and 3.1.13
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4b61bcc337c9948cda15244344791d25a1bdb9de45b77b353a0b9c7b0e4583c8
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:v2:429cef27888ce153dbb297848690aa7761447992deb6e79bd8b50b52f11df8c0 · sha256:e86d05202a2c5fed… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":8.4,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"ACTIVE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/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:v2:429cef27888ce153dbb297848690aa7761447992deb6e79bd8b50b52f11df8c0 · sha256:e86d05202a2c5fed… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:429cef27888ce153dbb297848690aa7761447992deb6e79bd8b50b52f11df8c0 · sha256:e86d05202a2c5fed… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-4499-j545-7q33","tags":["x_refsource_CONFIRM"],"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-4499-j545-7q33"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429cef27888ce153dbb297848690aa7761447992deb6e79bd8b50b52f11df8c0 · sha256:e86d05202a2c5fed… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-4499-j545-7q33"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:429cef27888ce153dbb297848690aa7761447992deb6e79bd8b50b52f11df8c0 · sha256:e86d05202a2c5fed… · /containers/adp/0/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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