Description
In libjpeg before 1.64, BitStream<false>::Get in bitstream.hpp has an assertion failure that may cause denial of service. This is related to out-of-bounds array access during arithmetically coded lossless scan or arithmetically coded sequential scan.
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 | libjpeg | 0.0~git20220615.842c7ba-1 | — |
| Debian 13 | libjpeg | 0.0~git20220615.842c7ba-1 | — |
| Debian 12 | libjpeg | 0.0~git20220615.842c7ba-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libjpeg | No fix yet | — |
| Ubuntu 26.04 LTS | libjpeg | No fix yet | — |
| Ubuntu 25.10 | libjpeg | No fix yet | — |
| Ubuntu 24.04 LTS | libjpeg | No fix yet | — |
| Ubuntu 22.04 LTS | libjpeg | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libjpeg | No fix yet | — |