CVE-2025-15667 – GPAC MP4Box avc_ext.c gf_isom_nalu_sample_rewrite double free

CVE ID :CVE-2025-15667

Published : July 6, 2026, 12:16 p.m. | 1 hour, 31 minutes ago

Description :A vulnerability was determined in GPAC up to 2.5-DEV. This vulnerability affects the function gf_isom_nalu_sample_rewrite of the file src/isomedia/avc_ext.c of the component MP4Box. This manipulation of the argument nalu_out_bs causes double free. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Patch name: f29f955f2a3b5e8e507caad3e52319f961bf37bf. To fix this issue, it is recommended to deploy a patch.

Severity: 3.3 | LOW

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