Vulnerability · Published May 20, 2026 · Assigned by talos
CVE-2026-22554
High 7.8
In plain English
A high-severity heap buffer overflow in MediaInfoLib from MediaArea. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 83.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A heap-based buffer overflow vulnerability exists in the Channel Splitting functionality of MediaInfoLib (version(s): 26.01). A specially crafted .riff file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | libmediainfo | no fix listed | UBUNTU-CVE-2026-22554 |
| Ubuntu:24.04:LTS | libmediainfo | no fix listed | UBUNTU-CVE-2026-22554 |
| Ubuntu:25.10 | libmediainfo | no fix listed | UBUNTU-CVE-2026-22554 |
| Ubuntu:26.04:LTS | libmediainfo | no fix listed | UBUNTU-CVE-2026-22554 |
| Ubuntu:26.10 | libmediainfo | no fix listed | UBUNTU-CVE-2026-22554 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MediaArea | MediaInfoLib | 26.01 |
Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H