Unrated severityNVD Advisory· Published Jun 8, 2009· Updated Jun 16, 2026
CVE-2009-1959
CVE-2009-1959
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3Patches
Vulnerability mechanics
References
15- bugs.irssi.org/index.phpnvdExploitVendor Advisory
- www.irssi.org/ChangeLognvdExploitVendor Advisory
- xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/nvdExploit
- lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlnvd
- secunia.com/advisories/35685nvd
- secunia.com/advisories/35812nvd
- secunia.com/advisories/36152nvd
- www.mandriva.com/security/advisoriesnvd
- www.openwall.com/lists/oss-security/2009/05/29/3nvd
- www.securityfocus.com/bid/35399nvd
- www.securitytracker.com/idnvd
- www.ubuntu.com/usn/usn-800-1nvd
- www.vupen.com/english/advisories/2009/1596nvd
- exchange.xforce.ibmcloud.com/vulnerabilities/51184nvd
- www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.htmlnvd
News mentions
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