Vulnerability · Published Dec 18, 2025 · Assigned by mitre
CVE-2025-63757
High 7.5
In plain English
A high-severity integer overflow in the ffmpeg package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 67.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ffmpeg | 7:5.1.8-0+deb12u1 | DEBIAN-CVE-2025-63757 |
| Debian:12 | ffmpeg | 7:5.1.8-0+deb12u1 | DSA-6079-1 |
| Debian:13 | ffmpeg | 7:7.1.3-0+deb13u1 | DEBIAN-CVE-2025-63757 |
| Debian:13 | ffmpeg | 7:7.1.3-0+deb13u1 | DSA-6073-1 |
| Debian:14 | ffmpeg | 7:7.1.3-1 | DEBIAN-CVE-2025-63757 |
| Ubuntu:25.10 | ffmpeg | 7:7.1.1-1ubuntu4.2 | UBUNTU-CVE-2025-63757 |
Affected products (as reported)
Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H