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Fencer Vulns
high 7.5

CVE-2025-63757 json

Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.

published 2025-12-18 10 mo ago modified 2026-10-13 26 d ago also EUVD-2025-204282

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.

Patch / fix

  • ffmpeg Debian 12 7:5.1.8-0+deb12u1
  • ffmpeg Debian 13 7:7.1.3-0+deb13u1
  • ffmpeg Debian 14 7:7.1.3-1

debian advisories DEBIAN-CVE-2025-63757

  • ffmpeg Ubuntu 25.10 7:7.1.1-1ubuntu4.2
  • ffmpeg Ubuntu Pro 16.04 LTS 7:2.8.17-0ubuntu0.1+esm14
  • ffmpeg Ubuntu Pro 18.04 LTS 7:3.4.11-0ubuntu0.1+esm12
  • ffmpeg Ubuntu Pro 20.04 LTS 7:4.2.7-0ubuntu0.1+esm12
  • ffmpeg Ubuntu Pro 22.04 LTS 7:4.4.2-0ubuntu0.22.04.1+esm11
  • ffmpeg Ubuntu Pro 24.04 LTS 7:6.1.1-3ubuntu5+esm7

ubuntu advisories UBUNTU-CVE-2025-63757

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ffmpeg-4 SLE Workstation Extension 15 SP7, SLE Module for Package Hub 15 SP7 4.4.7-150600.13.47.1
  • ffmpeg-4 SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 4.4.7-150400.3.67.1
  • ffmpeg-4 SLES for SAP 15 SP4, SLES 15 SP4-LTSS, SLE High Performance Computing 15 SP4-LTSS +1 more 4.4.6-150400.3.60.1
  • ffmpeg-4 SLE Workstation Extension 15 SP7, SLE Module for Package Hub 15 SP7, openSUSE Leap 15.6 4.4.6-150600.13.38.1

suse advisories SUSE-SU-2026:2445-1SUSE-SU-2026:2444-1SUSE-SU-2026:0229-1SUSE-SU-2026:0198-1

  • ffmpeg-4 openSUSE Leap 16.0 4.4.5-bp160.2.1
  • ffmpeg-4 openSUSE Tumbleweed 4.4.6-11.1

opensuse advisories openSUSE-SU-2026:20064-1openSUSE-SU-2026:10053-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-63757 updated cvss 7.5

ffmpeg: FFmpeg: Integer overflow vulnerability leads to Denial of Service

  • Red Hat Enterprise Linux AI (RHEL AI) 3 ffmpeg
    affected: workaround, no fix planned “Out of support scope”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
10 mo ago

Exploit prediction

0.38% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness
  • CWE-190 Integer Overflow or Wraparound

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.