Description
A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | OpenEXR | Fixed in OpenEXR 3.0.0-beta | — |
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 | 2.5.4-1 | — |
| Debian 13 | openexr | 2.5.4-1 | — |
| Debian 12 | openexr | 2.5.4-1 | — |
| Debian 10 | openexr | 2.2.1-4.1+deb10u2 | DLA-3236-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | openexr | No fix yet | — |
| Ubuntu Pro 18.04 LTS | openexr | No fix yet | — |
| Ubuntu Pro 16.04 LTS | openexr | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SLES 15 SP2 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SLES 15 SP1 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SLES 15 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SLES 12 SP5 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
Show 21 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP4 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SLES 12 SP3 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SLES 12 SP2 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SLES 11 SP4 | OpenEXR | 1.6.1-83.17.30.1 | SUSE-SU-2021:14846-1 |
| SLES for SAP 15 SP1 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SLES for SAP 15 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SLES for SAP 12 SP5 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SLES for SAP 12 SP4 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SLES for SAP 12 SP3 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SLE HPC 15 SP1 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SLE HPC 15 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SUSE OpenStack Cloud Crowbar 9 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SUSE OpenStack Cloud Crowbar 8 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SUSE OpenStack Cloud 9 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SUSE OpenStack Cloud 8 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SUSE Manager Server 4.0 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SUSE Manager Retail Branch Server 4.0 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SUSE Manager Proxy 4.0 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | OpenEXR | 1.6.1-83.17.30.1 | SUSE-SU-2021:14846-1 |
| SUSE HPE Helion OpenStack 8 | openexr | 2.1.0-6.37.1 | SUSE-SU-2021:2913-1 |
| SUSE Enterprise Storage 6 | openexr | 2.2.1-3.35.1 | SUSE-SU-2021:2793-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | openexr | 2.2.1-3.35.1 | openSUSE-SU-2021:2793-1 |
| openSUSE Leap 15.2 | openexr | 2.2.1-lp152.7.20.1 | openSUSE-SU-2021:1198-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | OpenEXR +2 | 1.7.1-8.amzn2.0.2 | ALAS2-2023-2078 |
Advisories 7
- DLA-3236-1 openexr - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2021:1198-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:2793-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:14846-1 Security update for OpenEXR SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2913-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:2793-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2023-2078 Moderate: OpenEXR security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Jun 7, 2023
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25913
- https://github.com/AcademySoftwareFoundation/openexr/pull/843
- https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97
- https://bugzilla.redhat.com/show_bug.cgi?id=1939156
- https://access.redhat.com/security/cve/CVE-2021-20298
- [debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update mailing-list