Description
An issue was discovered in MP4Box in GPAC 0.7.1. The function urn_Read in isomedia/box_code_base.c has a heap-based buffer over-read.
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 11 | gpac | 0.5.2-426-gc5ad4e4+dfsg5-4.1 | — |
| Debian 8 | gpac | 0.5.0+svn5324~dfsg1-1+deb8u1 | DLA-1432-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | gpac | 0.5.2-426-gc5ad4e4+dfsg5-3ubuntu0.1 | USN-3926-1 |
| Ubuntu 16.04 LTS | gpac | 0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1 | USN-3926-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | gpac | 0.5.0+svn4288~dfsg1-4ubuntu1+esm1 | — |
Advisories 2
- USN-3926-1 gpac vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DLA-1432-1 gpac - security update Debian Security (DSA / DLA) · Mar 9, 2026