Description
jpegoptim.c in jpegoptim 1.4.5 (fixed in 1.4.6) has an invalid use of realloc() and free(), which allows remote attackers to cause a denial of service (application crash) or possibly have 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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | jpegoptim | No fix yet | — |
| Ubuntu 26.04 LTS | jpegoptim | No fix yet | — |
| Ubuntu 25.10 | jpegoptim | No fix yet | — |
| Ubuntu 24.04 LTS | jpegoptim | No fix yet | — |
| Ubuntu 22.04 LTS | jpegoptim | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | jpegoptim | No fix yet | — |
| Ubuntu 18.04 LTS | jpegoptim | No fix yet | — |
| Ubuntu 16.04 LTS | jpegoptim | No fix yet | — |
| Ubuntu 14.04 LTS | jpegoptim | No fix yet | — |