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(pam_env): Infinite loop by expanding certain arguments

🗓️ 20 Feb 2013 16:19:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Infinite loop in pam_env _expand_arg when env var expansion overflows can cause denial of service by CPU exhaustion.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6i686pam0:1.1.1-13.el6pam-0:1.1.1-13.el6.i686.rpm
Red Hat Enterprise Linux6ppcpam0:1.1.1-13.el6pam-0:1.1.1-13.el6.ppc.rpm
Red Hat Enterprise Linux6ppc64pam0:1.1.1-13.el6pam-0:1.1.1-13.el6.ppc64.rpm
Red Hat Enterprise Linux6s390pam0:1.1.1-13.el6pam-0:1.1.1-13.el6.s390.rpm
Red Hat Enterprise Linux6s390xpam0:1.1.1-13.el6pam-0:1.1.1-13.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64pam0:1.1.1-13.el6pam-0:1.1.1-13.el6.x86_64.rpm
Red Hat Enterprise Linux6i686pam-debuginfo0:1.1.1-13.el6pam-debuginfo-0:1.1.1-13.el6.i686.rpm
Red Hat Enterprise Linux6ppcpam-debuginfo0:1.1.1-13.el6pam-debuginfo-0:1.1.1-13.el6.ppc.rpm
Red Hat Enterprise Linux6ppc64pam-debuginfo0:1.1.1-13.el6pam-debuginfo-0:1.1.1-13.el6.ppc64.rpm
Red Hat Enterprise Linux6s390pam-debuginfo0:1.1.1-13.el6pam-debuginfo-0:1.1.1-13.el6.s390.rpm
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21 Nov 2025 17:42Current
5.8Medium risk
Vulners AI Score5.8
CVSS 22.1
EPSS0.00532
5