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CVE-2011-1091 Details

Description

libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c	CVE	Patch
http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7	CVE	Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html	CVE
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html	CVE
https://bugzilla.redhat.com/show_bug.cgi?id=683031	CVE
http://secunia.com/advisories/43695	CVE	Vendor Advisory
http://secunia.com/advisories/43721	CVE
http://secunia.com/advisories/46376	CVE
https://exchange.xforce.ibmcloud.com/vulnerabilities/66055	CVE
https://hermes.opensuse.org/messages/13195955	CVE
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402	CVE
http://www.pidgin.im/news/security/?id=51	CVE	PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-0616.html	CVE
http://www.redhat.com/support/errata/RHSA-2011-1371.html	CVE
http://www.securityfocus.com/bid/46837	CVE
http://www.vupen.com/english/advisories/2011/0643	CVE
http://www.vupen.com/english/advisories/2011/0661	CVE
http://www.vupen.com/english/advisories/2011/0669	CVE
http://www.vupen.com/english/advisories/2011/0703	CVE
http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c	[email protected]	Patch
http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7	[email protected]	Patch
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html	[email protected]
http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html	[email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=683031	[email protected]
http://secunia.com/advisories/43695	[email protected]	Vendor Advisory
http://secunia.com/advisories/43721	[email protected]
http://secunia.com/advisories/46376	[email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/66055	[email protected]
https://hermes.opensuse.org/messages/13195955	[email protected]
http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402	[email protected]
http://www.pidgin.im/news/security/?id=51	[email protected]	PatchVendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-0616.html	[email protected]
http://www.redhat.com/support/errata/RHSA-2011-1371.html	[email protected]
http://www.securityfocus.com/bid/46837	[email protected]
http://www.vupen.com/english/advisories/2011/0643	[email protected]
http://www.vupen.com/english/advisories/2011/0661	[email protected]
http://www.vupen.com/english/advisories/2011/0669	[email protected]
http://www.vupen.com/english/advisories/2011/0703	[email protected]

see all 40 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
pidgin pidgin	2.6.0 2.6.1 2.6.2 2.6.4 2.6.5
CPE cpe:2.3:a:pidgin:pidgin:2.6.0:::::::* cpe:2.3:a:pidgin:pidgin:2.6.1:::::::* cpe:2.3:a:pidgin:pidgin:2.6.2:::::::* cpe:2.3:a:pidgin:pidgin:2.6.4:::::::* cpe:2.3:a:pidgin:pidgin:2.6.5:::::::* cpe:2.3:a:pidgin:pidgin:2.6.6:::::::* cpe:2.3:a:pidgin:pidgin:2.7.0:::::::* cpe:2.3:a:pidgin:pidgin:2.7.1:::::::* cpe:2.3:a:pidgin:pidgin:2.7.2:::::::* cpe:2.3:a:pidgin:pidgin:2.7.3:::::::* cpe:2.3:a:pidgin:pidgin:2.7.4:::::::* cpe:2.3:a:pidgin:pidgin:2.7.5:::::::* cpe:2.3:a:pidgin:pidgin:2.7.6:::::::* cpe:2.3:a:pidgin:pidgin:2.7.7:::::::* cpe:2.3:a:pidgin:pidgin:2.7.8:::::::* cpe:2.3:a:pidgin:pidgin:2.7.9:::::::* cpe:2.3:a:pidgin:pidgin:2.7.10:::::::* Remediation No remediation found in references.

Product

Versions

pidgin pidgin

2.6.0

2.6.1

2.6.2

2.6.4

2.6.5

CPE

cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.3:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.4:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.5:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.6:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.7:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.8:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.9:*:*:*:*:*:*:*
cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

9 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 29, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 13, 2023	CVE Modified	[email protected]
Feb 2, 2023	CVE Modified	[email protected]
Sep 19, 2017	CVE Modified	[email protected]
Aug 17, 2017	CVE Modified	[email protected]
Mar 15, 2011	Initial Analysis	[email protected]