AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2009-5155

HIGH · CVSS 7.5 EPSS 3.91%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-02-26 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It may lead to a denial-of-service condition.

CVE
CVE-2009-5155
Severity
HIGH
CVSS
7.5
EPSS
3.91%

Original NVD Description

In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/regcomp.c misparses alternatives, which allows attackers to cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.

Related CVEs

Other vulnerabilities affecting the same vendor(s)