CVE-2011-3594
MEDIUM · CVSS 4.3EPSS 3.2%EU EUVD
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 3.2% (88th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-3553)
- Published
- November 4, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-3553 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- pidgin / pidgin
References
- http://developer.pidgin.im/ticket/14636(Exploit)
- http://developer.pidgin.im/viewmtn/revision/diff/be5e66abad2af29604bc794cc4c6600ab12751f3/with/7eb1f6d56cc58bbb5b56b7df53955d36b9b419b8
- http://pidgin.im/news/security/?id=56
- http://secunia.com/advisories/46376(Vendor Advisory)
- 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
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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