Vulnerability Details CVE-2026-21088
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.0%
CVSS Severity
CVSS v3 Score 7.8