CVE-2009-5155
HIGH7.5EPSS 1.3%Published: 2/26/2019Modified: 4/28/2026
Also known as:DEBIAN-CVE-2009-5155
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.
Affected packages (2)
- Debian/glibcfrom 0, < 2.28-1
- Debian/gnulibfrom 0, < 20140202+stable-3.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |