CVE-2013-4520

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2013-12-14 · updated 2026-06-16

Description

xslt.c in libxslt before 1.1.25 allows context-dependent attackers to cause a denial of service (crash) via a stylesheet that embeds a DTD, which causes a structure to be accessed as a different type. NOTE: this issue is due to an incomplete fix for CVE-2012-2825.

Affected products

xmlsoft libxslt: through 1.1.24; 0.0.1, 0.1.0, 0.2.0, 0.3.0, 0.4.0, 0.5.0 (+67)

References

http://seclists.org/oss-sec/2013/q4/238
http://seclists.org/oss-sec/2013/q4/239
http://secunia.com/advisories/56072
http://www.osvdb.org/99671
https://bugzilla.novell.com/show_bug.cgi?id=849019
https://gitorious.org/libxslt/libxslt/commit/7089a62b8f133b42a2981cf1f920a8b3fe9a8caa
https://www.suse.com/support/update/announcement/2013/suse-su-20131654-1.html
https://www.suse.com/support/update/announcement/2013/suse-su-20131656-1.html
http://seclists.org/oss-sec/2013/q4/238
http://seclists.org/oss-sec/2013/q4/239
http://secunia.com/advisories/56072
http://www.osvdb.org/99671

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