Memory leak in FFmpeg - CVE-2018-1000036
Published: October 17, 2025
Vulnerability identifier: #VU117354
CSH Severity: Medium
CVSS v4 BT: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2018-1000036
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due memory leak. A remote attacker can force the application to leak memory and perform denial of service attack.
Affected software
FFmpeg
Ubuntu
mupdf (Ubuntu package)
Ubuntu
mupdf (Ubuntu package)
How to mitigate CVE-2018-1000036
Install updates from vendor's website.
mupdf (Ubuntu package) - addressed in versions 1.7a-1ubuntu0.1~esm1, 1.12.0+ds1-1ubuntu0.1~esm1, 1.16.1+ds1-1ubuntu1+esm1
External References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5502
- https://bugs.ghostscript.com/show_bug.cgi?id=698887
- https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=8aa2bd34065d2844aae778bd4cc20c74bbcd9406
- https://lists.debian.org/debian-lts-announce/2021/09/msg00013.html
- https://security.gentoo.org/glsa/201811-15