CVE-2025-55664

5.5 mediumEPSS 0.2%

Medium (5.5). EPSS 0.2% chance of exploitation in the next 30 days.

A heap buffer overflow in the m2tsdmx_send_packet function (filters/dmx_m2ts.c) of GPAC MP4Box v2.4 allows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-122
Published: 2026-06-01
Modified: 2026-07-22
Record from: the NVD, synced 2026-10-19

References

https://github.com/gpac/gpac/commit/9bd6a72c9efc0513dfd33b87498afc7658dabd26
https://github.com/gpac/gpac/issues/3310
https://infosec.exchange/@sigdevel/116659245751279377
http://www.openwall.com/lists/oss-security/2026/06/01/10

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