What is CVE-2026-22554?

CVE-2026-22554 is a high-severity vulnerability in Mediaarea Mediainfolib, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-05-20.

How severe is CVE-2026-22554?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Mediaarea Mediainfolib

CVE-2026-22554

MediaArea MediaInfoLib Channel Splitting heap-based buffer overflow vulnerability

Vulnerability class: Buffer Overflow

EPSS: 0.000 (2.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Mediaarea Mediainfolib — versions 26.01

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

talos-cna@cisco.com (Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2026-22554?: CVE-2026-22554 is a high-severity vulnerability in Mediaarea Mediainfolib, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-05-20.
How severe is CVE-2026-22554?: High severity. CVSS v3 base score is 7.8 out of 10.