CVE-2011-4601: n/a vulnerability

CVE-2011-4601: family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the exp...

family_feedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 00:09 UTC (UTC+00:00)

Security readout for executives and security teams

This flaw lets a remote sender crash vulnerable Pidgin/libpurple clients through malformed AIM or ICQ buddy-list related message data. The documented impact is denial of service, not data theft or system takeover. It mainly matters where old Pidgin versions or libpurple-based clients still support AIM or ICQ through the oscar plugin. Exposure is limited to installations running Pidgin/libpurple before 2.10.1 with the oscar protocol plugin handling AIM or ICQ buddy-list addition messages. The bundle does not identify other affected products beyond Pidgin/libpurple. Handle during routine vulnerability remediation unless vulnerable legacy messaging clients are still in active use. Business risk is user disruption from client crashes, not a sourced breach path. Environments with unmanaged desktop software should prioritize inventory first. Mitigation focus: Upgrade Pidgin/libpurple to 2.10.1 or a vendor-patched package.; Disable AIM/ICQ oscar plugin use where legacy protocol support is unnecessary.; Apply relevant Red Hat, openSUSE, Mandriva, or upstream vendor updates..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Dec 25, 2011, 01:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
openSUSE-SU-2012:0066CVE reference · vendor-advisory, x_refsource_SUSE
oval:org.mitre.oval:def:18408CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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