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CVE-2010-4528
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…
- 4.0MediumCVSS base score
- 2.5%Exploitation in 30 daysEPSS · top 15% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By redhat
- 29 days later
· 29 days later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.5% · top 15% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.0.
Affected products
n/a
- affected n/a
References
19
- https://bugzilla.redhat.com/show_bug.cgi?id=665421 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SR:2011:001 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20101227 CVE Request -- Pidgin v2.7.6 <= x <= v2.7.8 -- MSN DirectConnect DoS (crash due NULL ptr dereference) after receiving a short P2P message (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://developer.pidgin.im/viewmtn/revision/diff/e76f4ad4ef2f10588195a0eedc7a08f82062f79c/with/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031/libpurple/protocols/msn/directconn.c (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20101231 Re: CVE Request -- Pidgin v2.7.6 <= x <= v2.7.8 -- MSN DirectConnect DoS (crash due NULL ptr dereference) after receiving a short P2P message (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.pidgin.im/news/security/?id=49 (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2010:259 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- oval:org.mitre.oval:def:18461 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://developer.pidgin.im/viewmtn/revision/info/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 45581 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 42877 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2011-0028 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- [support] 20101227 Pidgin 2.7.9 released (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 42732 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2011-0076 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- ADV-2011-0054 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- FEDORA-2010-19314 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2010-19317 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 42824 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-4496 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-4528)Record last updated .