MEDIUM
pidgin: Finch XMPP MUC Crash
Published Feb 24, 2010
4.3
MEDIUMCVSS 2.0
EPSS 2.86%
Description
libpurple in Finch in Pidgin before 2.6.6, when an XMPP multi-user chat (MUC) room is used, does not properly parse nicknames containing <br> sequences, which allows remote attackers to cause a denial of service (application crash) via a crafted nickname.
Affected products
No data.
OR
- ≤ 2.6.5
- 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
- 2.6.4
No data.
Red Hat Enterprise Linux 4
pidgin-0:2.6.6-1.el4
Fixed · RHSA-2010:0115
Red Hat Enterprise Linux 5
pidgin-0:2.6.6-1.el5
Fixed · RHSA-2010:0115
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | pidgin-0:2.6.6-1.el4 | Fixed | RHSA-2010:0115 |
| Red Hat Enterprise Linux 5 | pidgin-0:2.6.6-1.el5 | Fixed | RHSA-2010:0115 |
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.
4.3 MEDIUM NVD
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
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.86% 0.02864
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02864
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.86% (0.02864) | 86.28th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.85% (0.02851) | 84.84th | v5 (v2026.06.15) |
| Mar 30, 2025 | 3.32% (0.03316) | 86.11th | v4 (v2025.03.14) |
| Mar 29, 2025 | 6.44% (0.06441) | 84.67th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.32% (0.03316) | 86.41th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.94% (0.06942) | 93.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.75% (0.09746) | 93.83th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
Weaknesses (1)
References (29)
- http://developer.pidgin.im/wiki/ChangeLog x_refsource_CONFIRMPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035332.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035347.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035409.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html vendor-advisoryx_refsource_SUSE
- http://pidgin.im/news/security/?id=44 x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/38563 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38640 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38658 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38712 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38915 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/39509 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2010/dsa-2038 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:041 vendor-advisoryx_refsource_MANDRIVA
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:085 vendor-advisoryx_refsource_MANDRIVA
- http://www.osvdb.org/62439 vdb-entryx_refsource_OSVDB
- http://www.securityfocus.com/bid/38294 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-902-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2010/0413 vdb-entryx_refsource_VUPENPatchVendor Advisory
- http://www.vupen.com/english/advisories/2010/0914 vdb-entryx_refsource_VUPEN
- http://www.vupen.com/english/advisories/2010/1020 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-0420 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=565786 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56399 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2010-0420
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11485 vdb-entrysignaturex_refsource_OVAL
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18230 vdb-entrysignaturex_refsource_OVAL
- https://rhn.redhat.com/errata/RHSA-2010-0115.html vendor-advisoryx_refsource_REDHAT
- https://www.cve.org/CVERecord?id=CVE-2010-0420
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Feb 24, 2010
Updated Aug 7, 2024
Reserved Jan 27, 2010
Link CVE-2010-0420
CISA Vulnrichment
Updated n/a