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Status published
Medium
CVE-2009-1959
Off-by-one error in the event_wallops function in fe-common/irc/fe-events.c in irssi...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
- http://www.securitytracker.com/id?1022410
- http://www.openwall.com/lists/oss-security/2009/05/29/3
- http://www.securityfocus.com/bid/35399
- http://www.irssi.org/ChangeLog
- https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
- http://bugs.irssi.org/index.php?do=details&task_id=662
- http://secunia.com/advisories/35685
- http://www.vupen.com/english/advisories/2009/1596
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- http://www.ubuntu.com/usn/usn-800-1
- http://secunia.com/advisories/35812
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
- http://secunia.com/advisories/36152
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Affected Vendor
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View all reports →Affected Software
irssi
Vulnerable Versions:
0.8.13
Timeline
Official Publish:
June 6th, 2009
Last Modified:
August 7th, 2024
Added to House:
July 19th, 2026
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.