CVE-2011-3184
MEDIUM · CVSS 4.3EPSS 3.9%EU EUVD
The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.
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-399
- EPSS score
- 3.9% (90th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-3151)
- Published
- August 29, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-3151 in the EU Vulnerability Database. Last updated in EUVD on August 6, 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
- 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/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.c(Patch)
- http://developer.pidgin.im/viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1(Patch)
- http://lists.fedoraproject.org/pipermail/package-announce/2011-August/064943.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065190.html
- http://pidgin.im/news/security/?id=54(Patch, Vendor Advisory)
- http://secunia.com/advisories/45663(Vendor Advisory)
- http://secunia.com/advisories/45916
- http://securitytracker.com/id?1025961
- http://www.openwall.com/lists/oss-security/2011/08/22/10
- http://www.openwall.com/lists/oss-security/2011/08/22/12
- http://www.openwall.com/lists/oss-security/2011/08/22/4
- http://www.openwall.com/lists/oss-security/2011/08/22/7
- http://www.securityfocus.com/bid/49268
- https://bugzilla.redhat.com/show_bug.cgi?id=732405
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69341
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18284
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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