CVE-2009-1959 describes an off-by-one error in the event_wallops function within irssi 0.8.13. This flaw allows remote IRC servers to trigger a denial of service (crash) by sending an empty command, leading to a one-byte buffer under-read and underflow. The vulnerability has a CVSS v2 score of 5.0 (Medium), indicating a network-based attack with low complexity and no authentication required, resulting in partial availability impact. Its FAUCET Risk Score is 82/100. There is no evidence of active exploitation (KEV: No), though an ExploitDB entry (EDB-33041) exists detailing a heap memory corruption. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
0.8.13CPE matchmatch criteria | cpe:2.3:a:irssi:irssi:0.8.13:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 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.