vulnerability

F5: CVE-2009-5155: K64119434: GNU C Library vulnerability CVE-2009-5155

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Severity

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:P)

Published

Mar 25, 2019

Added

Jun 17, 2026

Modified

Jun 17, 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

f5-bigip-upgrade-latest

References

CVE-2009-5155
https://attackerkb.com/topics/CVE-2009-5155
https://my.f5.com/manage/s/article/K64119434
https://euvd.enisa.europa.eu/vulnerability/EUVD-2009-5109
EUVD-EUVD-2009-5109

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