Description
jbig2enc v0.28 was discovered to contain a heap-use-after-free via jbig2enc_auto_threshold_using_hash in src/jbig2enc.cc.
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 | jbig2enc | 0.30-1 | — |
| Debian 13 | jbig2enc | 0.30-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | jbig2enc | No fix yet | — |
| Ubuntu 26.04 LTS | jbig2enc | No fix yet | — |
| Ubuntu 25.10 | jbig2enc | No fix yet | — |
| Ubuntu 24.04 LTS | jbig2enc | No fix yet | — |