Description
An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR. This is a different flaw from CVE-2021-23215.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | OpenEXR | OpenEXR 3.0.1 | — |
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 | 2.5.7-1 | — |
| Debian 13 | openexr | 2.5.7-1 | — |
| Debian 12 | openexr | 2.5.7-1 | — |
| Debian 11 | openexr | 2.5.4-2+deb11u1 | DSA-5299-1 |
| Debian 10 | openexr | 2.2.1-4.1+deb10u2 | DLA-3236-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | openexr | 2.2.0-11+deb9u3 | DLA-2701-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | openexr | 2.2.0-11.1ubuntu1.7 | USN-4996-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | openexr | 2.5.7-1ubuntu0.1~esm1 | USN-5620-1 |
| Ubuntu Pro 20.04 LTS | openexr | 2.3.0-6ubuntu0.5+esm1 | USN-5620-1 |
| Ubuntu Pro 16.04 LTS | openexr | 2.2.0-10ubuntu2.6+esm1 | USN-4996-2 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | openexr | 2.2.1-3.27.1 | SUSE-SU-2021:1489-1 |
| SLES 15 SP2 | openexr | 2.2.1-3.27.1 | SUSE-SU-2021:1489-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | openexr | 2.2.1-lp152.7.14.1 | openSUSE-SU-2021:0670-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | openexr | 3.1.1-r0 | — |
| Alpine v3.23 | openexr | 3.1.1-r0 | — |
| Alpine v3.22 | openexr | 3.1.1-r0 | — |
| Alpine v3.21 | openexr | 3.1.1-r0 | — |
| Alpine v3.20 | openexr | 3.1.1-r0 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | openexr | 3.1.1-r0 | — |
| Alpine v3.18 | openexr | 3.1.1-r0 | — |
| Alpine v3.17 | openexr | 3.1.1-r0 | — |
| Alpine v3.16 | openexr | 3.1.1-r0 | — |
| Alpine v3.15 | openexr | 3.1.1-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | OpenEXR | No fix yet | — |
Advisories 8
- USN-4996-2 openexr vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-5620-1 openexr vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- USN-4996-1 openexr vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-5299-1 openexr - security update Debian Security (DSA / DLA) · Mar 9, 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-2021:0670-1 Security update for openexr SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:1489-1 Security update for openexr SUSE / openSUSE Security Updates · May 2, 2025
References
- FEDORA-2021-6af32bfcd2 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1947582
- [debian-lts-announce] 20210703 [SECURITY] [DLA 2701-1] openexr security update mailing-list
- DSA-5299 vendor-advisory
- [debian-lts-announce] 20221211 [SECURITY] [DLA 3236-1] openexr security update mailing-list