Description
A vulnerability has been found in GPAC up to f1219cde. This issue affects the function gf_url_concatenate_ex of the file utils/url.c of the component URL Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. Upgrading to version abi-16.23 is capable of addressing this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | GPAC | f1219cde | abi-16.23 |
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 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-403650 | GPAC URL url.c gf_url_concatenate_ex heap-based overflow vdb-entry technical-description
- VDB-403650 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-91088 | CVE Analysis and Report third-party-advisory
- Submit #919757 | GPAC master f1219cde (2026-07-25) Buffer Overflow third-party-advisory
- https://github.com/gpac/gpac/issues/3808 issue-tracking
- https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975 patch
- https://github.com/gpac/gpac/releases/tag/abi-16.23 patch
- https://github.com/gpac/gpac/ product