CVE-2011-2943 describes a denial-of-service vulnerability affecting Pidgin versions 2.8.0 through 2.9.0. The flaw resides in the IRC protocol plugin's irc_msg_who function, which fails to properly validate characters in nicknames, leading to a NULL pointer dereference and application crash when processing a crafted WHO response. With a CVSS score of 4.3, this vulnerability is of medium complexity, requiring user assistance for exploitation, but only results in a partial availability impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.8.0CPE matchmatch criteria | cpe:2.3:a:pidgin:libpurple:2.8.0:*:*:*:*:*:*:* | ||
2.9.0CPE matchmatch criteria | cpe:2.3:a:pidgin:libpurple:2.9.0:*:*:*:*:*:*:* | ||
<= 2.9.0CPE matchmatch criteria | cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:* | ||
2.0.0CPE matchmatch criteria | cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:* | ||
2.0.1CPE matchmatch criteria | cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.