OSV-2026-653

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2026-653.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-653
Published
2026-04-30T00:13:25.604536Z
Modified
2026-04-30T00:13:25.604829Z
Summary
Heap-buffer-overflow in generic_unpack
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=507413960

Crash type: Heap-buffer-overflow READ 2
Crash state:
generic_unpack
exr_decoding_run
Imf_4_0::checkCoreFile
References

Affected packages

OSS-Fuzz / openexr

Package

Name
openexr
Purl
pkg:generic/openexr

Affected ranges

Type
GIT
Repo
https://github.com/AcademySoftwareFoundation/openexr
Events

Affected versions

v3.*
v3.3.10
v3.3.10-rc
v3.3.10-rc2
v3.3.11
v3.3.11-rc3
v3.3.4
v3.3.4-rc
v3.3.5
v3.3.5-rc
v3.3.5-rc3
v3.3.6
v3.3.6-rc
v3.3.6-rc2
v3.3.6-rc3
v3.3.6-rc4
v3.3.7
v3.3.7-rc
v3.3.7-rc2
v3.3.7-rc3
v3.3.7-rc4
v3.3.8
v3.3.8-rc
v3.3.9
v3.3.9-rc
v3.3.9-rc2
v3.4-alpha
v3.4.0
v3.4.0-rc
v3.4.1
v3.4.1-rc
v3.4.1-rc2
v3.4.10
v3.4.10-rc
v3.4.11
v3.4.11-rc
v3.4.11-rc2
v3.4.11-rc3
v3.4.2
v3.4.2-rc
v3.4.2-rc2
v3.4.3
v3.4.3-rc
v3.4.3-rc2
v3.4.3-rc3
v3.4.4
v3.4.4-rc
v3.4.4-rc2
v3.4.5
v3.4.5-rc
v3.4.6
v3.4.6-rc
v3.4.7
v3.4.7-rc
v3.4.8
v3.4.8-rc
v3.4.9
v3.4.9-rc

Ecosystem specific

{
    "severity": "MEDIUM"
}

Database specific

source
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/openexr/OSV-2026-653.yaml"