CVE-2025-71438

An out-of-bounds read in gf_odf_ac4_cfg_dsi_v1 (/odf/descriptors.c) in GPAC Project/MP4Box before v26.07.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted AC4 file.

EPSS

0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-25)

Published

2026-10-21

Modified

2026-10-22

Record from

the NVD, synced 2026-10-23

References

• https://github.com/gpac/gpac/commit/13eb5b76560aaf7813b865a2ad433258478e2695
• https://github.com/gpac/gpac/issues/3303
• https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/50/50_gf_odf_ac4_cfg_dsi_v1_odf_descriptors_c_2179
• http://www.openwall.com/lists/oss-security/2026/10/22/26

Check your stackJSON