Vulnerability in Pidgin Libpurple
CVE-2011-2943
The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted nickname that is not properly handled in a WHO response.
EPSS: 0.036 (88.2th percentile) — read the EPSS interpretation.
Affected products
- Pidgin Libpurple — versions 2.8.0, 2.9.0
- Pidgin — versions 2.0.0, 2.0.1, 2.0.2
- N/a — versions n/a
References
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)
- secalert@redhat.com (mailing-list, x_refsource_MLIST)
- secalert@redhat.com (x_refsource_SECUNIA, Vendor Advisory, third-party-advisory)
- secalert@redhat.com (signature, x_refsource_OVAL, vdb-entry)
- secalert@redhat.com (vdb-entry, x_refsource_XF)
- secalert@redhat.com (x_refsource_SECUNIA, third-party-advisory)
- secalert@redhat.com (x_refsource_CONFIRM)
- secalert@redhat.com (vdb-entry, x_refsource_BID)
- secalert@redhat.com (x_refsource_CONFIRM, Patch)