Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-34380

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.2.0 to before 3.2.7, 3.3.9, and 3.4.9, a signed integer overflow exists in undo_pxr24_impl() in src/lib/OpenEXRCore/internal_pxr24.c at line 377. The expression (uint64_t)(w * 3) computes w * 3 as a signed 32-bit integer before casting to uint64_t. When w is large, this multiplication constitutes undefined behavior under the C standard. On tested
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4e81d0a80152ba785a6c0e855d1c08da08119aa6b433d56065002a2b11e91032
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /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:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"openexr","vendor":"AcademySoftwareFoundation","versions":[{"status":"affected","version":">= 3.2.0, < 3.2.7"},{"status":"affected","version":">= 3.3.0, < 3.3.9"},{"status":"affected","version":">= 3.4.0, < 3.4.9"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 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:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /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:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.7","tags":["x_refsource_MISC"],"url":"https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.2.7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /containers/cna/references/1
{"name":"https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.9","tags":["x_refsource_MISC"],"url":"https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.3.9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /containers/cna/references/2
{"name":"https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.9","tags":["x_refsource_MISC"],"url":"https://github.com/AcademySoftwareFoundation/openexr/releases/tag/v3.4.9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /containers/cna/references/3
{"name":"https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-q3v8-hw4m-59w5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-q3v8-hw4m-59w5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4e3462185bf7be984e850e87199448a9273c842a6b71a38f44b10fb473eee077 · sha256:fd353e4df7b36e97… · /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.

← Back to CVE Explorer