CVE-2025-63757: ffmpeg Integer Overflow or Wraparound
CVSS: 7.5v3.1HighAnalyzed
AliasesUBUNTU-CVE-2025-63757DEBIAN-CVE-2025-63757openSUSE-SU-2026:10053-1openSUSE-SU-2026:20064-1
Published 18-12-2025Last modified 18-12-2025
Vulnerability summary
CVE-2025-63757 is a high (CVSS 7.5) Integer Overflow or Wraparound vulnerability in ffmpeg. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.38%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 7 · Related 5Timeline
- 18-12-2025PublishedVulnerability first disclosed.
- 18-12-2025Last modifiedVulnerability information updated.
Description
Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 19-09-2026
19-09-202619-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Opensuse2 products
- ffmpeg-4&distro=openSUSE Leap 16.0< 4.4.5-bp160.2.1
- ffmpeg-4&distro=openSUSE Tumbleweed< 4.4.6-11.1
Ubuntu2 products
- ffmpeg< 7:2.8.17-0ubuntu0.1+esm14 | < 7:3.4.11-0ubuntu0.1+esm12 | < 7:4.2.7-0ubuntu0.1+esm12 | < 7:4.4.2-0ubuntu0.22.04.1+esm11 | < 7:6.1.1-3ubuntu5+esm7 | < 7:7.1.1-1ubuntu4.2
- libavAll versions (No fix recorded)
Debian1 product
- ffmpeg< 7:5.1.8-0+deb12u1 | < 7:7.1.3-0+deb13u1 | < 7:7.1.3-1
Ffmpeg1 product
4 vendors · 6 products
