CVE-2024-31581

FFmpeg version n6.1 was discovered to contain an improper validation of array index vulnerability in libavcodec/cbs_h266_syntax_template.c

Critical · published April 17, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
65.7
In the wild
Unconfirmed
What it is

🔥 An improper validation of array indices in FFmpeg's libavcodec/cbs_h266_syntax_template.c is a serious threat, potentially leading to undefined behavior! Think of it like a recipe that calls for a specific amount of an ingredient, but the chef accidentally grabs too much or too little — the end result could be a culinary disaster! This vulnerability allows attackers to mess with the application's behavior in similarly unpredictable ways. This is absolutely devastating! An attacker could exploit this vulnerability to cause the application to crash or behave erratically, which could compromise the integrity of your media processing tasks. The consequences could range from service disruptions to potential data loss, so keeping this in check is crucial!

Put simply

Think of it like a recipe that calls for a specific amount of an ingredient, but the chef accidentally grabs too much or too little — the end result could be a culinary disaster! This vulnerability allows attackers to mess with the application's behavior in similarly unpredictable ways. In FFmpeg version n6.1, an improper validation of array indices can lead to undefined behavior, which may allow an attacker to manipulate how the application processes data, leading to crashes or unexpected results.

What to do

This is absolutely devastating! An attacker could exploit this vulnerability to cause the application to crash or behave erratically, which could compromise the integrity of your media processing tasks. The consequences could range from service disruptions to potential data loss, so keeping this in check is crucial! To protect your systems, update FFmpeg to version n6.2 or later immediately. Review your applications that use FFmpeg to ensure they are not relying on the vulnerable version. Regularly check for updates to maintain security best practices. You've got this! By staying proactive and following these steps, you'll be well on your way to securing your applications! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01113 · 65.7th percentile
Published
2024-04-17T00:00Z
EPSS history
Timeline
  • 17 APR 00:00Z
    FFmpeg version n6.1 was discovered to contain an improper validation of array index vulnerability in libavcodec/cbs_h266_syntax_template.c
    cvelistv5