Description
A vulnerability was determined in GPAC 26.07.0. This affects the function rmt_client_handle_ws_frame of the file src/utils/rmt_ws.c of the component WebSocket Handler. Executing a manipulation of the argument payload_size can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.26 is able to mitigate this issue. This patch is called 37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12. Upgrading the affected component is recommended.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | GPAC | 26.07.0 | abi-16.26 |
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-405551 | GPAC WebSocket rmt_ws.c rmt_client_handle_ws_frame heap-based overflow vdb-entry technical-description
- VDB-405551 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-92399 | CVE Analysis and Report third-party-advisory
- Submit #940250 | GPAC v26.07.0 (commit 2d7da22e) / master HEAD 6fed75df — fixed in 37bccbb Memory Corruption (CWE-122: Heap-based Buffer Overflow) third-party-advisory
- https://github.com/gpac/gpac/issues/3860 issue-tracking
- https://github.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.py exploit
- https://github.com/gpac/gpac/commit/37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12 patch
- https://github.com/gpac/gpac/releases/tag/abi-16.26 patch
- https://github.com/gpac/gpac/ product