Vulnerability · Published Oct 19, 2026 · Assigned by mitre
CVE-2025-55667
Medium 5.5
In plain English
A medium-severity memory corruption in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 83.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A segmentation violation in the dump_isom_saps function (/mp4box/filedump.c) of GPAC MP4Box v2.5-DEV-rev1672-gc9a31d0e1-masterallows attackers to cause a Denial of Service (DoS) via supplying a crafted MP4 file.
Affected products (as reported)
Weakness: CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
References
- https://github.com/gpac/gpac/issues/3321
- https://github.com/gpac/gpac/commit/e6d01820d7bf3967d931fedb379ee5f209bc133b
- https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/57/57_dump_isom_saps_filedump_c_1743
- https://infosec.exchange/@sigdevel/117456648463009125
- http://www.openwall.com/lists/oss-security/2026/10/20/8