What is GHSA-rvhf-9rr9-xw9h?

GHSA-rvhf-9rr9-xw9h is a security advisory published by GitHub Security Advisories with Medium severity. Improper input validation in loading a subtitle frame in libsubextractor.so prior to SMR Sep-2026...

Which CVE IDs does GHSA-rvhf-9rr9-xw9h cover?

GHSA-rvhf-9rr9-xw9h covers the following CVE IDs: CVE-2026-21088. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-rvhf-9rr9-xw9h?

GHSA-rvhf-9rr9-xw9h has a CVSS v3 base score of 7.8, published by GitHub Security Advisories.

GHSA-rvhf-9rr9-xw9hMediumCVSS 7.8

Improper input validation in loading a subtitle frame in libsubextractor.so prior to SMR Sep-2026...

Vendor

GitHub Security Advisories

Published

September 9, 2026

Last Modified

September 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-21088 →

📋 Description

Improper input validation in loading a subtitle frame in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-21088
https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=09
https://github.com/advisories/GHSA-rvhf-9rr9-xw9h