CVE-2025-63757CWE-190

CVE-2025-63757

High · published December 18, 2025

CVSS v3.1
7.5
EPSS
0%
Percentile
31.2
In the wild
Unconfirmed
What it is

⚡ An integer overflow in FFmpeg’s yuv2ya16_X_c_template function could turn your media processing into a wild ride! 🎢 Think of this as a recipe that calls for a specific amount of a rare ingredient. If the kitchen miscalculates and uses way more than intended, the dish can explode! Just like that, this vulnerability allows attackers to manipulate data sizes, leading to unexpected and potentially disastrous results. An attacker could exploit this flaw to crash the application or even execute arbitrary code, turning your media playback into a runaway train! Imagine the havoc of playing a video that suddenly hijacks your system's resources. It's definitely not a fun experience!

Put simply

Think of this as a recipe that calls for a specific amount of a rare ingredient. If the kitchen miscalculates and uses way more than intended, the dish can explode! Just like that, this vulnerability allows attackers to manipulate data sizes, leading to unexpected and potentially disastrous results. This integer overflow vulnerability in FFmpeg's libswscale occurs when the function processes certain input sizes, allowing malicious data to overflow and potentially lead to memory corruption.

What to do

An attacker could exploit this flaw to crash the application or even execute arbitrary code, turning your media playback into a runaway train! Imagine the havoc of playing a video that suddenly hijacks your system's resources. It's definitely not a fun experience! To protect your systems, upgrade to the latest version of FFmpeg immediately. Make sure to check your input handling to prevent unexpected data sizes and review your media processing code for vulnerabilities. You've got this! With these steps, you’ll turn this vulnerability into a well-secured media fortress! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00384 · 31.2th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2025-12-18T20:15Z
Affected products (1)
ProductVersionsFixed in
ffmpeg/ffmpegall versions—
References (3)
EPSS history
Timeline
  • 18 DEC 00:00Z
    Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0
    cvelistv5