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CVE coverage

CVE-2026-21089

CVSS 7.8 no coverage
View on NVD →
Improper input validation in removing style tag in libsubextractor.so prior to SMR Sep-2026 Release 1 allows local attackers to write out-of-bounds memory.

Detection rules

No detection found — yet
None of Sigma, Elastic, Splunk ESCU, YARA, Microsoft Sentinel, Snort, or Suricata currently has a rule referencing CVE-2026-21089.