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Ubuntu: USN-4954-1 (CVE-2009-5155): GNU C Library vulnerabilities

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Ubuntu: USN-4954-1 (CVE-2009-5155): GNU C Library vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
02/25/2019
Created
05/18/2021
Added
05/14/2021
Modified
03/22/2023

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(s)

  • ubuntu-upgrade-libc6

References

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