vulnerability
Ubuntu: USN-4954-1 (CVE-2009-5155): GNU C Library vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Feb 25, 2019 | May 14, 2021 | Mar 27, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 25, 2019
Added
May 14, 2021
Modified
Mar 27, 2026
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.
Solution
ubuntu-upgrade-libc6
Rapid7 Labs
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