7.5
CWE
19
Advisory Published
Updated

CVE-2009-5155

First published: Tue Feb 26 2019(Updated: )

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.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
GNU glibc<2.28
Netapp Steelstore Cloud Integrated Storage
NetApp ONTAP Select Deploy administration utility
Netapp Cloud Backup
debian/glibc
2.31-13+deb11u11
2.31-13+deb11u10
2.36-9+deb12u9
2.36-9+deb12u7
2.40-4
debian/gnulib
20210102~ebaa53c-1
20230209+stable-1
20240701-1

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Reference Links

Frequently Asked Questions

  • What is CVE-2009-5155?

    CVE-2009-5155 is a vulnerability in the GNU C Library (glibc) before version 2.28.

  • What is the severity of CVE-2009-5155?

    CVE-2009-5155 has a severity rating of 7.5 (high).

  • How does CVE-2009-5155 impact affected software?

    CVE-2009-5155 can cause a denial of service (assertion failure and application exit) or trigger an incorrect result by attempting a regular-expression match.

  • How can I fix CVE-2009-5155?

    To fix CVE-2009-5155, update to GNU C Library version 2.28 or later.

  • Where can I find more information about CVE-2009-5155?

    More information about CVE-2009-5155 can be found at the following references: [1] [2] [3].

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