CVE-2010-0420
MEDIUM · CVSS 4.3EPSS 2.9%EU EUVD
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 2.9% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-0451)
- Published
- February 24, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-0451 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
- pidgin / pidgin
References
- http://developer.pidgin.im/wiki/ChangeLog(Patch)
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035332.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035347.html
- http://lists.fedoraproject.org/pipermail/package-announce/2010-February/035409.html
- http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
- http://pidgin.im/news/security/?id=44(Vendor Advisory)
- http://secunia.com/advisories/38563(Vendor Advisory)
- http://secunia.com/advisories/38640(Vendor Advisory)
- http://secunia.com/advisories/38658(Vendor Advisory)
- http://secunia.com/advisories/38712(Vendor Advisory)
- http://secunia.com/advisories/38915
- http://secunia.com/advisories/39509
- http://www.debian.org/security/2010/dsa-2038
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:041
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:085
- http://www.osvdb.org/62439
- http://www.securityfocus.com/bid/38294
- http://www.ubuntu.com/usn/USN-902-1
- http://www.vupen.com/english/advisories/2010/0413(Patch, Vendor Advisory)
- http://www.vupen.com/english/advisories/2010/0914
- http://www.vupen.com/english/advisories/2010/1020
- https://bugzilla.redhat.com/show_bug.cgi?id=565786
- https://exchange.xforce.ibmcloud.com/vulnerabilities/56399
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11485
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18230
- https://rhn.redhat.com/errata/RHSA-2010-0115.html
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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