pidgin: DoS when parsing certain HTTP response headers
Published Feb 6, 2014
5.0
MEDIUMCVSS 2.0
EPSS 2.23%
Description
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.
Affected products
No data.
- ≤ 2.10.7
- 2.0.0
- 2.0.1
- 2.0.2
- 2.1.0
- 2.1.1
- 2.2.0
- 2.2.1
- 2.2.2
- 2.3.0
- 2.3.1
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
- 2.5.4
- 2.5.5
- 2.5.6
- 2.5.7
- 2.5.8
- 2.5.9
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.7.0
- 2.7.1
- 2.7.2
- 2.7.3
- 2.7.4
- 2.7.5
- 2.7.6
- 2.7.7
- 2.7.8
- 2.7.9
- 2.7.10
- 2.7.11
- 2.8.0
- 2.9.0
- 2.10.0
- 2.10.1
- 2.10.2
- 2.10.3
- 2.10.4
- 2.10.5
- 2.10.6
No data.
Red Hat Enterprise Linux 5
pidgin-0:2.6.6-32.el5
Fixed · RHSA-2014:0139
Red Hat Enterprise Linux 6
pidgin-0:2.7.9-27.el6
Fixed · RHSA-2014:0139
Red Hat Enterprise Linux 7
pidgin
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | pidgin-0:2.6.6-32.el5 | Fixed | RHSA-2014:0139 |
| Red Hat Enterprise Linux 6 | pidgin-0:2.7.9-27.el6 | Fixed | RHSA-2014:0139 |
| Red Hat Enterprise Linux 7 | pidgin | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.23% (0.02227) | 82.10th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.23% (0.02227) | 80.36th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.75% (0.00751) | 70.86th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.93% (0.01934) | 72.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.75% (0.00751) | 71.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.80% (0.00796) | 82.32th | v3 (v2023.03.01) |
| May 17, 2024 | 0.80% (0.00796) | 81.54th | v3 (v2023.03.01) |
| Sep 19, 2023 | 0.80% (0.00796) | 79.54th | v3 (v2023.03.01) |
| Aug 3, 2023 | 0.90% (0.00902) | 80.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.07% (0.01074) | 81.98th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
References (11)
- http://hg.pidgin.im/pidgin/main/rev/cd529e1158d3 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-updates/2014-02/msg00039.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-03/msg00005.html vendor-advisoryx_refsource_SUSE
- http://pidgin.im/news/security/?id=73 x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2014/dsa-2859 vendor-advisoryx_refsource_DEBIAN
- http://www.ubuntu.com/usn/USN-2100-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2013-6479 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1056907 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-6479
- https://rhn.redhat.com/errata/RHSA-2014-0139.html vendor-advisoryx_refsource_REDHAT
- https://www.cve.org/CVERecord?id=CVE-2013-6479
| Link | Providers | Tags |
|---|---|---|
| http://hg.pidgin.im/pidgin/main/rev/cd529e1158d3 | x_refsource_CONFIRM | |
| http://lists.opensuse.org/opensuse-updates/2014-02/msg00039.html | vendor-advisoryx_refsource_SUSE | |
| http://lists.opensuse.org/opensuse-updates/2014-03/msg00005.html | vendor-advisoryx_refsource_SUSE | |
| http://pidgin.im/news/security/?id=73 | x_refsource_CONFIRMVendor Advisory | |
| http://www.debian.org/security/2014/dsa-2859 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.ubuntu.com/usn/USN-2100-1 | vendor-advisoryx_refsource_UBUNTU | |
| https://access.redhat.com/security/cve/CVE-2013-6479 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1056907 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-6479 | ||
| https://rhn.redhat.com/errata/RHSA-2014-0139.html | vendor-advisoryx_refsource_REDHAT | |
| https://www.cve.org/CVERecord?id=CVE-2013-6479 |
Change history (0)
No recorded changes yet.