CVE-2014-8090

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2014-11-21 · updated 2026-06-17

Description

The REXML parser in Ruby 1.9.x before 1.9.3 patchlevel 551, 2.0.x before 2.0.0 patchlevel 598, and 2.1.x before 2.1.5 allows remote attackers to cause a denial of service (CPU and memory consumption) a crafted XML document containing an empty string in an entity that is used in a large number of nested entity references, aka an XML Entity Expansion (XEE) attack. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-1821 and CVE-2014-8080.

Affected products

Ruby: through 1.9.3; 1.9.3, 1.9.3-p0, 1.9.3-p125, 1.9.3-p194, 1.9.3-p286, 1.9.3-p383 (+19)

References

http://advisories.mageia.org/MGASA-2014-0472.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://lists.opensuse.org/opensuse-updates/2014-12/msg00035.html
http://lists.opensuse.org/opensuse-updates/2015-01/msg00000.html
http://lists.opensuse.org/opensuse-updates/2015-01/msg00004.html
http://rhn.redhat.com/errata/RHSA-2014-1911.html
http://rhn.redhat.com/errata/RHSA-2014-1912.html
http://rhn.redhat.com/errata/RHSA-2014-1913.html
http://rhn.redhat.com/errata/RHSA-2014-1914.html
http://secunia.com/advisories/59948
http://secunia.com/advisories/62050
http://secunia.com/advisories/62748

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