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CVE-2026-43909

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, a signed 32-bit integer overflow in the loop index expression i * 4 inside SwapRGBABytes() causes the function to compute a large negative pointer offset when processing kABGR DPX images with large dimensions. The immediate crash is an out-of-bounds read (the memcpy at line 45 reads from &input[i * 4] first), but the subsequent write op
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5f33236c4ae27e9d123b61fc280aa6f90134de02ef0353deae8c91289c5d6162
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/problemTypes/2/descriptions/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:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/problemTypes/2/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-g267-j53j-5258","tags":["x_refsource_CONFIRM"],"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-g267-j53j-5258"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/AcademySoftwareFoundation/OpenImageIO/security/advisories/GHSA-g267-j53j-5258"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dfd3062e18306b52306fd4d871b44f0c485448d7086cf5bd993d3b54f1a5b807 · sha256:6dbc5f59ddeae3a4… · /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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