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CVE-2011-3594

Date: November 4, 2011

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.

Language: C

Severity Score

Related Resources (13)

https://security-tracker.debian.org/tracker/CVE-2011-3594
http://www.mandriva.com/security/advisories?name=MDVSA-2011:183
http://secunia.com/advisories/46376
http://www.redhat.com/support/errata/RHSA-2011-1371.html
http://developer.pidgin.im/ticket/14636
http://pidgin.im/news/security/?id=56
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-3594
https://nvd.nist.gov/vuln/detail/CVE-2011-3594
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18034
https://access.redhat.com/security/cve/CVE-2011-3594
http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8
https://bugzilla.redhat.com/show_bug.cgi?id=743481
https://www.mend.io/vulnerability-database/CVE-2011-3594

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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