Description
The decompression implementation in the Imf::hufUncompress function in OpenEXR 1.2.2 and 1.6.1 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger a free of an uninitialized pointer.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | openexr | 1.6.1-4.1 | — |
| Debian 13 | openexr | 1.6.1-4.1 | — |
| Debian 12 | openexr | 1.6.1-4.1 | — |
| Debian 5.0 | openexr | 1.6.1-3+lenny3 | DSA-1842-1 |
| Debian 4.0 | openexr | 1.2.2-4.3+etch2 | DSA-1842-1 |
Advisories 1
- DSA-1842-1 openexr - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- FEDORA-2009-8132 vendor-advisory
- http://support.apple.com/kb/HT3757
- 36123 third-party-advisory
- FEDORA-2009-8136 vendor-advisory
- MDVSA-2009:191 vendor-advisory
- http://security.debian.org/pool/updates/main/o/openexr/openexr_1.2.2-4.3+etch2.diff.gz
- 36753 third-party-advisory
- ADV-2009-2035 vdb-entry
- 36096 third-party-advisory
- DSA-1842 vendor-advisory
- MDVSA-2009:190 vendor-advisory
- 36030 third-party-advisory
- 36032 third-party-advisory
- APPLE-SA-2009-08-05-1 vendor-advisory
- http://security.debian.org/pool/updates/main/o/openexr/openexr_1.6.1-3+lenny3.diff.gz
- http://release.debian.org/proposed-updates/stable_diffs/openexr_1.6.1-3%2Blenny3.debdiff
- 35838 vdb-entry
- 1022674 vdb-entry
- USN-831-1 vendor-advisory
- ADV-2009-2172 vdb-entry
- TA09-218A third-party-advisory
- SUSE-SR:2009:014 vendor-advisory