Theora
Vendor:
First CVE: Dec 25, 2024 · Active for 1 year
2
Total CVEs
More Total CVEs than 49% of tracked products
1.0
Avg CVEs / Year
Bottom 1%
8.4
Avg CVSS
Higher Avg CVSS than 75% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Theora over time
Volume of CVEsAvg CVSS Base Score
First CVE
Dec 25, 2024
18 months ago
Most Recent CVE
Apr 6, 2026
110 days ago
CVE Severity & Scoring
Theora2 CVEs
50%
50%
All CVEs352,708 CVEs
45%
40%
11%
HighCritical
Attack Vector
Local1 (50.0%)
Network1 (50.0%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low2 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None1 (50.0%)
Unknown0 (0.0%)
Required1 (50.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None2 (100.0%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (2 CVEs).
2 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2024-56431CRITICAL oc_huff_tree_unpack in huffdec.c in libtheora in Theora through 1.0 7180717 has an invalid negative left shift. NOTE: this is disputed by third parties because there is no evidence | Dec 25, 2024 | 9.8 | 27 | NO | NO |
CVE-2026-5673HIGH A flaw was found in libtheora. This heap-based out-of-bounds read vulnerability exists within the AVI (Audio Video Interleave) parser, specifically in the avi_parse_input_file() fu | Apr 6, 2026 | 7.1 | 25 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (2 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (2 CVEs).
Media Mentions
Signals from CVEs in this product scope (2 CVEs).
Top CNAs Publishing CVEs For Theora
Top CWEs
Versions
No cataloged versions.