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ruby: off-by-one stack-based buffer overflow in the encodes() function

🗓️ 26 Nov 2014 22:37:35Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 5 Views

Off-by-one stack overflow in Ruby encodes() causes denial of service via segmentation fault with certain format specifiers.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64ruby0:2.0.0.353-22.el7_0ruby-0:2.0.0.353-22.el7_0.ppc64.rpm
Red Hat Enterprise Linux7s390xruby0:2.0.0.353-22.el7_0ruby-0:2.0.0.353-22.el7_0.s390x.rpm
Red Hat Enterprise Linux7x86_64ruby0:2.0.0.353-22.el7_0ruby-0:2.0.0.353-22.el7_0.x86_64.rpm
Red Hat Enterprise Linux7ppcruby-debuginfo0:2.0.0.353-22.el7_0ruby-debuginfo-0:2.0.0.353-22.el7_0.ppc.rpm
Red Hat Enterprise Linux7ppc64ruby-debuginfo0:2.0.0.353-22.el7_0ruby-debuginfo-0:2.0.0.353-22.el7_0.ppc64.rpm
Red Hat Enterprise Linux7s390ruby-debuginfo0:2.0.0.353-22.el7_0ruby-debuginfo-0:2.0.0.353-22.el7_0.s390.rpm
Red Hat Enterprise Linux7s390xruby-debuginfo0:2.0.0.353-22.el7_0ruby-debuginfo-0:2.0.0.353-22.el7_0.s390x.rpm
Red Hat Enterprise Linux7x86_64ruby-debuginfo0:2.0.0.353-22.el7_0ruby-debuginfo-0:2.0.0.353-22.el7_0.x86_64.rpm
Red Hat Enterprise Linux7anyruby-debuginfo0:2.0.0.353-22.el7_0.i686ruby-debuginfo-0:2.0.0.353-22.el7_0.i686.noarch.rpm
Red Hat Enterprise Linux7ppc64ruby-devel0:2.0.0.353-22.el7_0ruby-devel-0:2.0.0.353-22.el7_0.ppc64.rpm
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28 Jun 2026 12:23Current
7.9High risk
Vulners AI Score7.9
CVSS 25
EPSS0.03893
5