CVE-2011-3594

The g_markup_escape_text function in the SILC protocol plug-in in libpurple 2.10.0 and earlier, as used in Pidgin and possibly other products, allows remote attackers to cause a denial of service (crash) via invalid UTF-8 sequences that trigger use of invalid pointers and an out-of-bounds read, related to interactions with certain versions of glib2.

Score

CVSS 2.0 4.3 Medium

Status

Modified - secalert@redhat.com

Published

2011-11-04

Last modified

2024-08-06

Weaknesses

CWE-119

Affected products

• Libpurple (Pidgin)
• Pidgin (Pidgin)

References

• http://developer.pidgin.im/ticket/14636
• http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df…
• http://pidgin.im/news/security/?id=56
• http://secunia.com/advisories/46376
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:183
• http://www.redhat.com/support/errata/RHSA-2011-1371.html
• https://bugzilla.redhat.com/show_bug.cgi?id=743481
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18034