CVE-2011-1091 Null dereference in n/a
Remote attackers can crash Pidgin via malformed YMSG packets, causing denial of service for users of the instant messaging client.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-1091?
CVE-2011-1091 is a medium-severity vulnerability in Pidgin Pidgin, published on 14 Mar 2011. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Which versions are affected by CVE-2011-1091?
It affects 1 product.
Products include Pidgin Pidgin.
How do I fix CVE-2011-1091?
Upgrade to a fixed version.
Is CVE-2011-1091 being exploited?
There is no known exploitation of CVE-2011-1091 in the wild and no public exploit code.
Other vulnerabilities in Pidgin Pidgin
Sources
Also known as DEBIAN-CVE-2011-1091, GHSA-784h-wwvm-3rvx.