CVE-2010-4528
MEDIUM · CVSS 4.0EPSS 2.5%EU EUVD
directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a short p2pv2 packet in a DirectConnect (aka direct connection) session.
Key facts
- CVSS score
- 4.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:S/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 2.5% (85th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-4496)
- Published
- January 7, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-4496 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- pidgin / libpurple
- pidgin / libpurple
- pidgin / libpurple
- 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
- 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/viewmtn/revision/diff/e76f4ad4ef2f10588195a0eedc7a08f82062f79c/with/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031/libpurple/protocols/msn/directconn.c(Patch)
- http://developer.pidgin.im/viewmtn/revision/info/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031(Patch)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052862.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052905.html
- http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html
- http://pidgin.im/pipermail/support/2010-December/009251.html(Patch)
- http://secunia.com/advisories/42732(Vendor Advisory)
- http://secunia.com/advisories/42824(Vendor Advisory)
- http://secunia.com/advisories/42877
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:259
- http://www.openwall.com/lists/oss-security/2010/12/27/1(Patch)
- http://www.openwall.com/lists/oss-security/2010/12/31/5(Patch)
- http://www.pidgin.im/news/security/?id=49(Patch, Vendor Advisory)
- http://www.securityfocus.com/bid/45581
- http://www.vupen.com/english/advisories/2011/0028(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0054
- http://www.vupen.com/english/advisories/2011/0076
- https://bugzilla.redhat.com/show_bug.cgi?id=665421
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18461
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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