Description
A vulnerability was determined in GPAC 26.03-DEV. This affects the function vobsub_read_idx of the file /src/media_tools/vobsub.c of the component MP4Box. Executing a manipulation of the argument num_langs can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called 532097084729a936bcdf6a27c41003f3bd7dc3ff. It is best practice to apply a patch to resolve this issue. Two different commits were applied to fix this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | GPAC | 26.03-DEV | — |
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 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | gpac | No fix yet | — |
| Ubuntu Pro 22.04 LTS | gpac | No fix yet | — |
| Ubuntu Pro 20.04 LTS | gpac | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | gpac | No fix yet | — |
| Ubuntu Pro 16.04 LTS | gpac | No fix yet | — |
| Ubuntu Pro 14.04 LTS | gpac | No fix yet | — |
References
- VDB-377111 | GPAC MP4Box vobsub.c vobsub_read_idx out-of-bounds vdb-entry technical-description
- VDB-377111 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-15185 | CVE Analysis and Report third-party-advisory
- Submit #851214 | GPAC GPAC 26.03-DEV Out-of-Bounds Read third-party-advisory
- https://github.com/gpac/gpac/issues/3611 exploit issue-tracking
- https://github.com/gpac/gpac/commit/aa0fb77b82e51b159a2024c440cdf6b571b14d81 patch
- https://github.com/gpac/gpac/commit/532097084729a936bcdf6a27c41003f3bd7dc3ff patch
- https://github.com/gpac/gpac/ product