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.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
1.348

Associated Vulnerability

VulnerabilityOS Platform
GNU C Library (USN-4954-1) libc6_2.23-0ubuntu11.3_i386.debLinux
GNU C Library (USN-4954-1) libc6_2.23-0ubuntu11.3_amd64.debLinux
CVE-2009-5155NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234