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postgresql: tempory DoS caused by slow regex NFA cleanup

🗓️ 08 Jan 2013 04:10:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 1 Views

Memory denial of service in PostgreSQL from slow regular expression NFA cleanup in the parser with complex expressions.

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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux5i386tcl0:8.4.13-6.el5tcl-0:8.4.13-6.el5.i386.rpm
Red Hat Enterprise Linux5ia64tcl0:8.4.13-6.el5tcl-0:8.4.13-6.el5.ia64.rpm
Red Hat Enterprise Linux5ppctcl0:8.4.13-6.el5tcl-0:8.4.13-6.el5.ppc.rpm
Red Hat Enterprise Linux5ppc64tcl0:8.4.13-6.el5tcl-0:8.4.13-6.el5.ppc64.rpm
Red Hat Enterprise Linux5s390tcl0:8.4.13-6.el5tcl-0:8.4.13-6.el5.s390.rpm
Red Hat Enterprise Linux5s390xtcl0:8.4.13-6.el5tcl-0:8.4.13-6.el5.s390x.rpm
Red Hat Enterprise Linux5x86_64tcl0:8.4.13-6.el5tcl-0:8.4.13-6.el5.x86_64.rpm
Red Hat Enterprise Linux5i386tcl-debuginfo0:8.4.13-6.el5tcl-debuginfo-0:8.4.13-6.el5.i386.rpm
Red Hat Enterprise Linux5ia64tcl-debuginfo0:8.4.13-6.el5tcl-debuginfo-0:8.4.13-6.el5.ia64.rpm
Red Hat Enterprise Linux5ppctcl-debuginfo0:8.4.13-6.el5tcl-debuginfo-0:8.4.13-6.el5.ppc.rpm
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13 Jan 2026 22:30Current
5.8Medium risk
Vulners AI Score5.8
CVSS 26.8
EPSS0.00533
1