CVE-2009-5155

CWE-19CWE-20 — Improper Input ValidationCWE-18510 documents8 sources
Severity
7.5HIGH
EPSS
1.3%
top 19.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
GNU Glibc
Timeline
PublishedFeb 26
Latest updateMay 2

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 vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶NVDgnu/glibc< 2.28
▶Debianglibc< 2.28-1+3
▶Debiangnulib< 20140202+stable-3.2+3

Patches

Patch: git.savannah.gnu.org ↗Patch: security.netapp.com ↗Patch: git.savannah.gnu.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-2p2p-xpf9-5p78: In the GNU C Library (aka glibc or libc6) before 2↗2022-05-02
▶
OSV
glibc vulnerabilities↗2021-05-14
▶
CVEList
CVE-2009-5155: In the GNU C Library (aka glibc or libc6) before 2↗2019-02-26
▶
OSV
CVE-2009-5155: In the GNU C Library (aka glibc or libc6) before 2↗2019-02-26
▶

📋Vendor Advisories

3
Ubuntu
GNU C Library vulnerabilities↗2021-05-14
▶
Red Hat
glibc: parse_reg_exp in posix/regcomp.c misparses alternatives leading to denial of service or trigger incorrect result↗2019-03-20
▶
Debian
CVE-2009-5155: glibc - In the GNU C Library (aka glibc or libc6) before 2.28, parse_reg_exp in posix/re...↗2009
▶

💬Community

2
Bugzilla
CVE-2009-5155 glibc: parse_reg_exp in posix/regcomp.c misparses alternatives leading to denial of service or trigger incorrect result [fedora-28]↗2019-02-27
▶
Bugzilla
CVE-2009-5155 glibc: parse_reg_exp in posix/regcomp.c misparses alternatives leading to denial of service or trigger incorrect result↗2019-02-27
▶
CVE-2009-5155 (HIGH CVSS 7.5) | In the GNU C Library (aka glibc or | cvebase.io