Description
An issue was discovered in OpenJPEG 2.3.0. It allows remote attackers to cause a denial of service (attempted excessive memory allocation) in opj_calloc in openjp2/opj_malloc.c, when called from opj_tcd_init_tile in openjp2/tcd.c, as demonstrated by the 64-bit opj_decompress.
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 | No fix yet | — |
| Debian 13 | openjpeg2 | No fix yet | — |
| Debian 12 | openjpeg2 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | openjpeg2 | No fix yet | — |
| Ubuntu 26.04 LTS | openjpeg2 | No fix yet | — |
| Ubuntu 25.10 | openjpeg2 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | openjpeg2 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | openjpeg2 +1 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | openjpeg2 +1 | No fix yet | — |