DEBIAN-CVE-2009-5155

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2009-5155
Published: 26 Feb 2019, 02:29
Last modified:28 Apr 2026, 20:11

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

26 Feb 2019, 02:29
Published
Vulnerability first disclosed
28 Apr 2026, 20:11
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Systems

  • debian•glibc

    < 2.28-1 | < 2.28-1 | < 2.28-1 | < 2.28-1

  • debian•gnulib

    < 20140202+stable-3.2 | < 20140202+stable-3.2 | < 20140202+stable-3.2 | < 20140202+stable-3.2

References (1)