Public Date:
1056907: CVE-2013-6479 pidgin: DoS when parsing certain HTTP response headers

The MITRE CVE dictionary describes this issue as:

util.c in libpurple in Pidgin before 2.10.8 does not properly allocate memory for HTTP responses that are inconsistent with the Content-Length header, which allows remote HTTP servers to cause a denial of service (application crash) via a crafted response.

Find out more about CVE-2013-6479 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4.3
Base Metrics AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux Desktop Workstation version 5 (pidgin) RHSA-2014:0139 2014-02-05
Red Hat Enterprise Linux version 6 (pidgin) RHSA-2014:0139 2014-02-05

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 pidgin Not affected


Red Hat would like to thank the Pidgin project for reporting this issue. Upstream acknowledges Jacob Appelbaum of the Tor Project as the original reporter of this issue.

External References