CVE-2011-3184
The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in...
CVE-2011-3184 is a medium vulnerability (CVSS 4.3) in Pidgin, published August 29, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.86%, the 90th percentile. Fixed in pidgin 2.10.0-1.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-3184- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-3184- Updated
- 2026-11-02
EUVDEUVD-2011-3151 No score
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.
- Record
EUVD-2011-3151- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4fh6-vrqh-wvpv No score
The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in...
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.
- Record
GHSA-4fh6-vrqh-wvpv- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-3184- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-3184 No score
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.
- Record
DEBIAN-CVE-2011-3184- Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
lists.fedoraproject.org/pipermail/package-announce/2011-August/064943.html
openwall.com/lists/oss-security/2011/08/22/10
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18284
developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.c
exchange.xforce.ibmcloud.com/vulnerabilities/69341
pidgin.im/news/security?id=54
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secunia.com/advisories/45663
bugzilla.redhat.com/show_bug.cgi?id=732405
securityfocus.com/bid/49268
securitytracker.com/id?1025961
nvd.nist.gov/vuln/detail/CVE-2011-3184
github.com/advisories/GHSA-4fh6-vrqh-wvpv
security-tracker.debian.org/tracker/CVE-2011-3184