Protect yourself against future threats.
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AUSCERT External Security Bulletin Redistribution
ESB-2020.1068
ruby2.1 security update
26 March 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: ruby2.1
Publisher: Debian
Operating System: Debian GNU/Linux 8
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-2338
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running ruby2.1 check for an updated version of the software for
their operating system.
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Package : ruby2.1
Version : 2.1.5-2+deb8u9
CVE ID : CVE-2016-2338
An exploitable heap overflow vulnerability exists in the
Psych::Emitter startdocument function of Ruby. In Psych::Emitter
startdocument function heap buffer "head" allocation is made based on
tags array length. Specially constructed object passed as element of
tags array can increase this array size after mentioned allocation and
cause heap overflow
For Debian 8 "Jessie", this problem has been fixed in version
2.1.5-2+deb8u9.
We recommend that you upgrade your ruby2.1 packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
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===========================================================================
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