CVE-2011-3184
mediumpriority · track · 18EPSS 0.039 · 90 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–4.3
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (45)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (44)
External citations — patches, advisories, analysis.
- http://developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.ccnnvd
- http://developer.pidgin.im/viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1cnnvd
- http://pidgin.im/news/security/?id=54cnnvd
- http://secunia.com/advisories/45663cnnvd
- http://securitytracker.com/id?1025961cnnvd
- http://www.openwall.com/lists/oss-security/2011/08/22/10cnnvd
- http://www.openwall.com/lists/oss-security/2011/08/22/12cnnvd
- http://www.openwall.com/lists/oss-security/2011/08/22/4cnnvd
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