CVE-2011-3594

libpurple < 2.10.0 - Denial of Service via Invalid UTF-8 Sequence Handling

Title source: llm
STIX 2.1

Description

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.

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18034
Issue Tracking x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=743481
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2011:183
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/46376
Exploit x_refsource_confirm
http://developer.pidgin.im/ticket/14636
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2011-1371.html
Various Sources x_refsource_confirm
http://pidgin.im/news/security/?id=56

Scores

EPSS 0.0319
EPSS Percentile 86.6%

Details

CWE
CWE-119
Status published
Products (48)
pidgin/libpurple 1.0
pidgin/libpurple 2.0.0
pidgin/libpurple 2.0.1
pidgin/libpurple 2.0.2
pidgin/libpurple 2.1.0
pidgin/libpurple 2.1.1
pidgin/libpurple 2.2.0
pidgin/libpurple 2.2.1
pidgin/libpurple 2.2.2
pidgin/libpurple 2.3.0
... and 38 more
Published Nov 04, 2011
Tracked Since Feb 18, 2026