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Vulnerability record · CVE-2013-6490 · published 6 February 2014

CVE-2013-6490: Pidgin memory buffer overflow vulnerability

Pidgin · Pidgin

The SIMPLE protocol functionality in Pidgin before 2.10.8 allows remote attackers to have an unspecified impact via a negative Content-Length header, which triggers a buffer overflow.

10.0 CVSS 2.0 High EPSS 15% · top 3.4% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

The SIMPLE protocol functionality in Pidgin before 2.10.8 allows remote attackers to have an unspecified impact via a negative Content-Length header, which triggers a buffer overflow.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://hg.pidgin.im/pidgin/main/rev/6bd2dd10e5da
http://www.debian.org/security/2014/dsa-2859
http://www.pidgin.im/news/security/?id=84 Vendor Advisory
http://www.securityfocus.com/bid/65195
http://www.ubuntu.com/usn/USN-2100-1
https://rhn.redhat.com/errata/RHSA-2014-0139.html
http://hg.pidgin.im/pidgin/main/rev/6bd2dd10e5da
http://www.debian.org/security/2014/dsa-2859
http://www.pidgin.im/news/security/?id=84 Vendor Advisory
http://www.securityfocus.com/bid/65195
http://www.ubuntu.com/usn/USN-2100-1
https://rhn.redhat.com/errata/RHSA-2014-0139.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2009-2694Adium vulnerabilityThe msn_slplink_process_msg function in libpurple/protocols/msn/slplink.c in libpurple, as used in Pidgin (formerly Gaim) before 2.5.9 and Adium 1.3.…EPSS 20%9.8CVE-2016-1000030Suse linux enterprise server improper certificate validation vulnerabilityPidgin version <2.11.0 contains a vulnerability in X.509 Certificates imports specifically due to improper check of return values from gnutls_x509_cr…EPSS 1.8%9.8CVE-2017-2640Pidgin out-of-bounds write vulnerabilityAn out-of-bounds write flaw was found in the way Pidgin before 2.12.0 processed XML content. A malicious remote server could potentially use this fla…EPSS 6.3%9.3CVE-2013-6486Pidgin improper input validation vulnerabilitygtkutils.c in Pidgin before 2.10.8 on Windows allows user-assisted remote attackers to execute arbitrary programs via a message containing a file: UR…EPSS 3.8%9.3CVE-2011-3185Pidgin improper input validation vulnerabilitygtkutils.c in Pidgin before 2.10.0 on Windows allows user-assisted remote attackers to execute arbitrary programs via a file: URL in a message.EPSS 4.8%9.3CVE-2009-1376Pidgin vulnerabilityMultiple integer overflows in the msn_slplink_process_msg functions in the MSN protocol handler in (1) libpurple/protocols/msn/slplink.c and (2) libp…EPSS 13%9.0CVE-2007-3841Pidgin vulnerabilityUnspecified vulnerability in Pidgin (formerly Gaim) 2.0.2 for Linux allows remote authenticated users, who are listed in a users list, to execute cer…EPSS 2.2%8.1CVE-2016-2377Pidgin memory buffer overflow vulnerabilityA buffer overflow vulnerability exists in the handling of the MXIT protocol in Pidgin. Specially crafted MXIT data sent by the server could potential…EPSS 2.6%

Source: NIST National Vulnerability Database (record CVE-2013-6490), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.