SEPTEMBER 15, 2026
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Case File

CVE-2026-21089

HIGH · CVSS 7.8 EPSS 0.10%

Source: NVD + CISA KEV + EPSS · Published 2026-09-09 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

Improper input validation in the libsubextractor.so library prior to the SMR Sep-2026 Release 1 allows local attackers to exploit this vulnerability to write out-of-bounds memory, potentially leading to arbitrary code execution or system instability. Organizations utilizing affected versions of this library should prioritize patching to mitigate the risk of local exploitation.

CVE
CVE-2026-21089
Severity
HIGH
CVSS
7.8
EPSS
0.10%

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)