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Vulnerability record · CVE-2025-63757 · published 18 December 2025

CVE-2025-63757: Ffmpeg integer overflow vulnerability

Ffmpeg · Ffmpeg

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

7.5 CVSS 3.1 High EPSS 0.38% · top 70.2% CWE-190 · Integer overflow
7.5CVSS 3.1 base score
0.38%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20698 Issue Tracking
https://ffmpeg.org/security.html Product
https://gist.github.com/miora-sora/43c1c5616dd5b4f960a9d20296ef4833 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2013-0864Ffmpeg vulnerabilityThe gif_copy_img_rect function in libavcodec/gifdec.c in FFmpeg before 1.1.2 performs an incorrect calculation for an "end pointer," which allows rem…EPSS 2.8%10.0CVE-2013-0872Ffmpeg memory buffer overflow vulnerabilityThe swr_init function in libswresample/swresample.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via an invalid or un…EPSS 2.8%10.0CVE-2013-0873Ffmpeg improper input validation vulnerabilityThe read_header function in libavcodec/shorten.c in FFmpeg before 1.1.3 allows remote attackers to have an unspecified impact via an invalid channel …EPSS 2.8%10.0CVE-2013-4265Ffmpeg vulnerabilityThe av_reallocp_array function in libavutil/mem.c in FFmpeg before 2.0.1 has an unspecified impact and remote vectors related to a "wrong return code…EPSS 2.5%10.0CVE-2011-3937Ffmpeg vulnerabilityThe H.263 codec (libavcodec/h263dec.c) in FFmpeg 0.7.x before 0.7.12, 0.8.x before 0.8.11, and unspecified versions before 0.10, and in Libav 0.5.x b…EPSS 2.3%10.0CVE-2012-2797Ffmpeg vulnerabilityUnspecified vulnerability in the decode_frame_mp3on4 function in libavcodec/mpegaudiodec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.5 has unk…EPSS 2.6%10.0CVE-2012-2798Libav vulnerabilityUnspecified vulnerability in the decode_dds1 function in libavcodec/dfa.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4,…EPSS 2.9%10.0CVE-2012-2799Ffmpeg vulnerabilityUnspecified vulnerability in libavcodec/wmalosslessdec.c in FFmpeg before 0.11 has unknown impact and attack vectors, related to the "put bit buffer …EPSS 2.5%

Source: NIST National Vulnerability Database (record CVE-2025-63757), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.