Description
In IJG JPEG (aka libjpeg) from version 8 through 9c, jdhuff.c has an out-of-bounds array read for certain table pointers.
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 18.04 LTS | libjpeg9 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libjpeg6b | No fix yet | — |
| Ubuntu Pro 16.04 LTS | libjpeg9 | 1:9b-1ubuntu1+esm1 | USN-5336-1 |
Advisories 1
- USN-5336-1 libjpeg9 vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026