GPAC vulnerability

A security flaw has been discovered in GPAC up to f1219cde. Affected by this vulnerability is the function stbl_GetSampleInfos of the file isomedia/stbl_read.c of the component MP4Box. The manipulation results in reachable assertion. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. Upgrading to version abi-16.23 addresses this issue. The patch is identified as 49dee5cad329cfed310c1682703df7daa47df31a. It is advisable to upgrade the affected component.

Published 14 Sep 2026Updated 14 Sep 20269 sources
CVSS 1.9

What happened

A security flaw has been discovered in GPAC up to f1219cde. Affected by this vulnerability is the function stbl_GetSampleInfos of the file isomedia/stbl_read.c of the component MP4Box. The manipulation results in reachable assertion. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. Upgrading to version abi-16.23 addresses this issue. The patch is identified as 49dee5cad329cfed310c1682703df7daa47df31a. It is advisable to upgrade the affected component.

Affected versions

GPAC: f1219cde Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.