pidgin: DoS in IRC protocol plugin due to arguement parsing
Published Feb 6, 2014
5.0
MEDIUMCVSS 2.0
EPSS 2.75%
Description
The IRC protocol plugin in libpurple in Pidgin before 2.10.8 does not validate argument counts, which allows remote IRC servers to cause a denial of service (application crash) via a crafted message.
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.75% (0.02747) | 85.67th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.75% (0.02747) | 84.22th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.33% (0.03328) | 86.13th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.20% (0.06199) | 84.35th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.33% (0.03328) | 86.44th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.99% (0.02985) | 90.66th | v3 (v2023.03.01) |
| Sep 19, 2023 | 1.81% (0.01810) | 86.72th | v3 (v2023.03.01) |
| Aug 3, 2023 | 2.05% (0.02046) | 87.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.22% (0.02222) | 87.72th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (17)
- http://hg.pidgin.im/pidgin/main/rev/4d9be297d399 x_refsource_CONFIRM
- http://hg.pidgin.im/pidgin/main/rev/5845d9fa7084 x_refsource_CONFIRM
- http://hg.pidgin.im/pidgin/main/rev/6b0e0566af20 x_refsource_CONFIRM
- http://hg.pidgin.im/pidgin/main/rev/7d0fb0c6d8d4 x_refsource_CONFIRM
- http://hg.pidgin.im/pidgin/main/rev/9f132a6855cd x_refsource_CONFIRM
- http://hg.pidgin.im/pidgin/main/rev/a167504359e5 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=85 x_refsource_CONFIRMVendor Advisory
- http://www.debian.org/security/2014/dsa-2859 vendor-advisoryx_refsource_DEBIAN
- http://www.pidgin.im/news/security/?id=85
- http://www.ubuntu.com/usn/USN-2100-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-0020 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1057502 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-0020
- https://rhn.redhat.com/errata/RHSA-2014-0139.html vendor-advisoryx_refsource_REDHAT
- https://www.cve.org/CVERecord?id=CVE-2014-0020
Change history (0)
No recorded changes yet.