CVE-2024-56431
Public on 2024-12-25
        Modified on 2025-08-26
        
      Description
            
              oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift.
            
          Severity
          
          See what this means
        CVSS v3 Base Score
          
          See breakdown
        Affected Packages
| Platform | Package | Release Date | Advisory | Status | 
|---|---|---|---|---|
| Amazon Linux 2 - Firefox Extra | firefox | 2025-04-29 | ALAS2FIREFOX-2025-037 | Fixed | 
| Amazon Linux 2 - Core | libtheora | Not Affected | ||
| Amazon Linux 2023 | libtheora | Not Affected | ||
| Amazon Linux 2 - Core | thunderbird | 2025-04-16 | ALAS2-2025-2830 | Fixed | 
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L | 
| NVD | CVSSv3 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |