CVE-2011-1091

CVSS 4.0 - MEDIUM
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.

Affected Products
17
Vendor Product Version
pidgin pidgin 2.6.0
pidgin pidgin 2.6.1
pidgin pidgin 2.6.2
pidgin pidgin 2.6.4
pidgin pidgin 2.6.5
pidgin pidgin 2.6.6
pidgin pidgin 2.7.0
pidgin pidgin 2.7.1
pidgin pidgin 2.7.2
pidgin pidgin 2.7.3
pidgin pidgin 2.7.4
pidgin pidgin 2.7.5
pidgin pidgin 2.7.6
pidgin pidgin 2.7.7
pidgin pidgin 2.7.8
pidgin pidgin 2.7.9
pidgin pidgin 2.7.10
Weakness Types
NVD-CWE-Other
CVE Information
CVE ID:
CVE-2011-1091
Published:
2011-03-14
Modified:
2026-04-29
CVSS Score:
4.0
Severity:
MEDIUM
Vector:
AV:N/AC:L/Au:S/C:N/I:N/A:P
Affected Vendors
pidgin
Quick Actions
CVSS Severity Scale
0.0 - 3.9 LOW
4.0 - 6.9 MEDIUM
7.0 - 8.9 HIGH
9.0 - 10.0 CRITICAL