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glibc: FORTIFY_SOURCE format string protection bypass via "nargs" integer overflow

🗓️ 19 Mar 2012 21:57:00Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com

GNU C library Fortify Source format checks bypassed by argument overflow in vfprintf.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux5i386glibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.i386.rpm
Red Hat Enterprise Linux5i686glibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.i686.rpm
Red Hat Enterprise Linux5ia64glibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.ia64.rpm
Red Hat Enterprise Linux5ppcglibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.ppc.rpm
Red Hat Enterprise Linux5ppc64glibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.ppc64.rpm
Red Hat Enterprise Linux5s390glibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.s390.rpm
Red Hat Enterprise Linux5s390xglibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.s390x.rpm
Red Hat Enterprise Linux5x86_64glibc0:2.5-81.el5_8.1glibc-0:2.5-81.el5_8.1.x86_64.rpm
Red Hat Enterprise Linux5i386glibc-common0:2.5-81.el5_8.1glibc-common-0:2.5-81.el5_8.1.i386.rpm
Red Hat Enterprise Linux5ia64glibc-common0:2.5-81.el5_8.1glibc-common-0:2.5-81.el5_8.1.ia64.rpm
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21 Nov 2025 17:40Current
7.5High risk
Vulners AI Score7.5
CVSS 26.8
EPSS0.02717
0