Description
A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. 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 | — |
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 2023 | openexr +2 | 3.1.5-1.amzn2023.0.3 | ALAS2023-2023-022 |
| Amazon Linux 2 | OpenEXR +2 | 1.7.1-8.amzn2.0.2 | ALAS2-2023-2078 |
Advisories 7
- 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
- ALAS2023-2023-022 Moderate: openexr security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 15, 2024
- 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=26229
- https://github.com/AcademySoftwareFoundation/openexr/pull/849
- https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e
- https://bugzilla.redhat.com/show_bug.cgi?id=1939157
- https://access.redhat.com/security/cve/CVE-2021-20304
- GLSA-202210-31 vendor-advisory