Description
A heap-based buffer overflow was discovered in the opj_t2_encode_packet function in lib/openjp2/t2.c in OpenJPEG 2.2.0. The vulnerability causes an out-of-bounds write, which may lead to remote denial of service or possibly unspecified other impact.
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 | openjpeg2 | 2.3.0-1 | — |
| Debian 13 | openjpeg2 | 2.3.0-1 | — |
| Debian 12 | openjpeg2 | 2.3.0-1 | — |
| Debian 9 | openjpeg2 | 2.1.2-1.1+deb9u2 | DSA-4013-1 |
| Debian 8 | openjpeg2 | 2.1.0-2+deb8u3 | DSA-4013-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | openjpeg2 | 2.3.0-1 | — |
| Ubuntu 16.04 LTS | openjpeg2 | 2.1.2-1.1+deb9u2build0.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | openjpeg2 | 2.1.0-4.6.1 | SUSE-SU-2017:2649-1 |
| SLES 12 SP2 | openjpeg2 | 2.1.0-4.6.1 | SUSE-SU-2017:2649-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | openjpeg2 | 2.1.0-4.6.1 | SUSE-SU-2017:2649-1 |
| SLES for SAP 12 SP2 | openjpeg2 | 2.1.0-4.6.1 | SUSE-SU-2017:2649-1 |
| SUSE Package Hub 12 SP1 | openjpeg2 | 2.1.0-9.1 | openSUSE-SU-2017:2686-1, openSUSE-SU-2017:2685-1 |
| SUSE Package Hub 12 | openjpeg2 | 2.1.0-9.1 | openSUSE-SU-2017:2686-1, openSUSE-SU-2017:2685-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.23 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.22 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.21 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.20 | openjpeg | 2.3.0-r0 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.18 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.17 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.16 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.15 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.14 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.13 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.12 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.11 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.10 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.9 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.8 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.7 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.6 | openjpeg | 2.3.0-r0 | — |
| Alpine v3.4 | openjpeg | 2.2.0-r1 | — |
| Alpine v3.3 | openjpeg | 2.2.0-r1 | — |
Advisories 4
- DSA-4013-1 openjpeg2 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:2649-1 Security update for openjpeg2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2017:2686-1 Security update for openjpeg2 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2017:2685-1 Security update for openjpeg2 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- GLSA-201710-26 vendor-advisory
- https://github.com/uclouvain/openjpeg/issues/992
- DSA-4013 vendor-advisory
- 100550 vdb-entry
- https://github.com/uclouvain/openjpeg/commit/c535531f03369623b9b833ef41952c62257b507e
- https://blogs.gentoo.org/ago/2017/08/28/openjpeg-heap-based-buffer-overflow-in-opj_t2_encode_packet-t2-c/