CVE-2025-15667

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.

CVSS 4.0

1.9CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS

0.2% chance of exploitation in the next 30 days; higher than 5% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-415

Published

2026-07-06

Modified

2026-10-12

Record from

the NVD, synced 2026-10-19

References

• https://github.com/TimChan2001/pocs/raw/refs/heads/main/poc-gpac-1
• https://github.com/gpac/gpac/
• https://github.com/gpac/gpac/commit/f29f955f2a3b5e8e507caad3e52319f961bf37bf
• https://github.com/gpac/gpac/issues/3403
• https://vuldb.com/cve/CVE-2025-15667

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