Description
A heap-based buffer overflow vulnerability exists in Academy Software Foundation OpenEXR 2.3.0 in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp that can cause a denial of service via a crafted EXR file.
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 | 2.5.3-2 | — |
| Debian 13 | openexr | 2.5.3-2 | — |
| Debian 12 | openexr | 2.5.3-2 | — |
| Debian 10 | openexr | 2.2.1-4.1+deb10u2 | DLA-3236-1 |
| Debian 9 | openexr | 2.2.0-11+deb9u3 | DLA-2701-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | openexr | 2.3.0-6ubuntu0.3 | USN-4676-1 |
| Ubuntu 18.04 LTS | openexr | 2.2.0-11.1ubuntu1.4 | USN-4676-1 |
| Ubuntu 16.04 LTS | openexr | 2.2.0-10ubuntu2.4 | USN-4676-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | openexr | 2.2.1-3.21.1 | SUSE-SU-2020:3934-1 |
| SLES 15 SP1 | openexr | 2.2.1-3.21.1 | SUSE-SU-2020:3934-1 |
| SLES 12 SP5 | openexr | 2.1.0-6.26.1 | SUSE-SU-2020:3931-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | openexr | 2.1.0-6.26.1 | SUSE-SU-2020:3931-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | openexr | 2.2.1-lp152.7.8.1 | openSUSE-SU-2020:2351-1 |
| openSUSE Leap 15.1 | openexr | 2.2.1-lp151.4.15.1 | openSUSE-SU-2020:2349-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | OpenEXR | No fix yet | — |
Advisories 7
- USN-4676-1 openexr vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-2701-1 openexr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3236-1 openexr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2020:2351-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:2349-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3934-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3931-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/AcademySoftwareFoundation/openexr/issues/491
- https://github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d93695617a4cd9a
- [debian-lts-announce] 20210703 [SECURITY] [DLA 2701-1] openexr security update mailing-list
- [debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update mailing-list