pidgin: Multiple NULL pointer deference flaws by processing certain Jingle stanzas in the XMPP protocol plug-in
Published Dec 17, 2011
5.0
MEDIUMCVSS 2.0
EPSS 3.58%
Description
The XMPP protocol plugin in libpurple in Pidgin before 2.10.1 does not properly handle missing fields in (1) voice-chat and (2) video-chat stanzas, which allows remote attackers to cause a denial of service (application crash) via a crafted message.
Affected products
No data.
- ≤ 2.10.0
- 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
- 2.7.1
- 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
No data.
Red Hat Enterprise Linux 4
pidgin-0:2.6.6-10.el4
Fixed · RHSA-2011:1820
Red Hat Enterprise Linux 5
pidgin-0:2.6.6-5.el5_7.4
Fixed · RHSA-2011:1820
Red Hat Enterprise Linux 6
pidgin-0:2.7.9-3.el6.2
Fixed · RHSA-2011:1821
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | pidgin-0:2.6.6-10.el4 | Fixed | RHSA-2011:1820 |
| Red Hat Enterprise Linux 5 | pidgin-0:2.6.6-5.el5_7.4 | Fixed | RHSA-2011:1820 |
| Red Hat Enterprise Linux 6 | pidgin-0:2.7.9-3.el6.2 | Fixed | RHSA-2011:1821 |
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 (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.58% (0.03583) | 89.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.72% (0.03717) | 88.32th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.46% (0.01461) | 79.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.75% (0.02754) | 90.94th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.75% (0.02754) | 88.93th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.41% (0.01408) | 72.89th | v2 (v2022.01.01) |
| Mar 2, 2023 | 1.41% (0.01408) | 72.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.41% (0.01408) | 70.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.41% (0.01408) | 49.94th | v2 (v2022.01.01) |
References (12)
- http://developer.pidgin.im/viewmtn/revision/info/fb216fc88b085afc06d9a15209519cde1f4df6c6 x_refsource_CONFIRM
- http://pidgin.im/news/security/?id=58 x_refsource_CONFIRM
- http://secunia.com/advisories/47219 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/47234 third-party-advisoryx_refsource_SECUNIA
- http://www.redhat.com/support/errata/RHSA-2011-1820.html vendor-advisoryx_refsource_REDHAT
- http://www.redhat.com/support/errata/RHSA-2011-1821.html vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2011-4602 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=761510 Issue Tracking
- https://hermes.opensuse.org/messages/13195955 vendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2011-4602
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18420 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-4602
| Link | Providers | Tags |
|---|---|---|
| http://developer.pidgin.im/viewmtn/revision/info/fb216fc88b085afc06d9a15209519cde1f4df6c6 | x_refsource_CONFIRM | |
| http://pidgin.im/news/security/?id=58 | x_refsource_CONFIRM | |
| http://secunia.com/advisories/47219 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/47234 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.redhat.com/support/errata/RHSA-2011-1820.html | vendor-advisoryx_refsource_REDHAT | |
| http://www.redhat.com/support/errata/RHSA-2011-1821.html | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2011-4602 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=761510 | Issue Tracking | |
| https://hermes.opensuse.org/messages/13195955 | vendor-advisoryx_refsource_SUSE | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-4602 | ||
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18420 | vdb-entrysignaturex_refsource_OVAL | |
| https://www.cve.org/CVERecord?id=CVE-2011-4602 |
Change history (0)
No recorded changes yet.