CVE-2009-1959

Published: 8 June 2009

Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi 0.8.13 allows remote IRC servers to cause a denial of service (crash) via an empty command, which triggers a one-byte buffer under-read and a one-byte buffer underflow.

Status

References

• http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
• https://ubuntu.com/security/notices/USN-800-1
• https://www.cve.org/CVERecord?id=CVE-2009-1959
• NVD
• Launchpad
• Debian

Bugs

• http://bugs.irssi.org/index.php?do=details&task_id=662