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Vulnerabilities

Vulnerability · CVE-2026-22554

A heap-based buffer overflow vulnerability exists in the Channel Splitting functionality of MediaInfoLib (version(s): 26.01).

Published May 20, 2026 · catalog updated Sep 23, 2026 · A heap-based buffer overflow

Check if you run it

No confirmed exploitation is on record for CVE-2026-22554. EPSS is 0.25%. Act only if a listed version of A heap-based buffer overflow is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A heap-based buffer overflow).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Advisory link
Affected products
cpe mediaarea/mediainfolib

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe mediaarea/mediainfolib26.01

How to fix CVE-2026-22554

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-22554. EPSS is 0.25%. Act only if a listed version of A heap-based buffer overflow is installed.

Which versions are affected?

Compare what you have installed with 26.01. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-122: Heap-based Buffer Overflow. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 20, 2026 · NIST NVD

    Detected

    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.

  2. Sep 23, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-22554

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-22554

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-22554

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.