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CVE-2011-3184

17
FAUCET Score

CVE-2011-3184 describes a denial-of-service vulnerability in the MSN protocol plugin of Pidgin versions prior to 2.10.0. An improper handling of HTTP 100 responses within the msn_httpconn_parse_data function allows remote attackers to trigger an incorrect memory access, leading to an application crash. This vulnerability has a CVSS score of 4.3 (Medium), indicating a network-based attack with medium complexity and a partial impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.9.0CPE matchmatch criteria
cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*
2.0.0CPE matchmatch criteria
cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
2.0.2CPE matchmatch criteria
cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
2.1.0CPE matchmatch criteria
cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.86%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0386 is in the 85th percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2011-3184

pidgin: Remote crash in MSN protocol plugin

Aug 20, 2011

References

developer.pidgin.im / viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.c
Patch
developer.pidgin.im / viewmtn/revision/info/16af0661899a978b4fedc1c165965b85009013d1
Patch
lists.fedoraproject.org / pipermail/package-announce/2011-August/064943.html
lists.fedoraproject.org / pipermail/package-announce/2011-September/065190.html
pidgin.im / news/security
PatchVendor Advisory
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/45663
Vendor Advisory
secunia.com / advisories/45916
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/69341
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18284
openwall.com / lists/oss-security/2011/08/22/10
openwall.com / lists/oss-security/2011/08/22/12
openwall.com / lists/oss-security/2011/08/22/4
openwall.com / lists/oss-security/2011/08/22/7
securityfocus.com / bid/49268