Debian Security Advisory

DLA-1337-1 jruby -- LTS security update

Date Reported:
02 Apr 2018
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2018-1000075, CVE-2018-1000076, CVE-2018-1000077, CVE-201.
More information:

Multiple vulnerabilities were found in the rubygems package management framework, embedded in JRuby, a pure-Java implementation of the Ruby programming language.

  • CVE-2018-1000075

    A negative size vulnerability in ruby gem package tar header that could cause an infinite loop.

  • CVE-2018-1000076

    Ruby gems package improperly verifies cryptographic signatures. A mis-signed gem could be installed if the tarball contains multiple gem signatures.

  • CVE-2018-1000077

    An improper input validation vulnerability in ruby gems specification homepage attribute could allow malicious gem to set an invalid homepage URL.

  • CVE-2018-1000078

    Cross Site Scripting (XSS) vulnerability in gem server display of homepage attribute

For Debian 7 Wheezy, these problems have been fixed in version 1.5.6-5+deb7u1.

We recommend that you upgrade your jruby packages.

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: