CVE-2009-1959

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Summary

CVECVE-2009-1959
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-06-08 01:00:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionOff-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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Irssi Irssi 0.8.13 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
SecurityTracker.com Archives - Irssi Underflow in event_wallops() Lets Remote Users Deny Service af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Ubuntu update for irssi - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
Irssi - Page not found af854a3a-2127-422b-91ae-364da2661108 www.irssi.org Exploit, Vendor Advisory
Support / Security / Advisories / / MDVSA-2009:133 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com
oss-security - CVE Request (irssi) af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Webmail | OVH- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com
[SECURITY] Fedora 11 Update: irssi-0.8.13-3.fc11 af854a3a-2127-422b-91ae-364da2661108 www.redhat.com
Fedora update for irssi - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
FS#662 : event_wallops() underflow resulting in out of bounds read/write. af854a3a-2127-422b-91ae-364da2661108 bugs.irssi.org Exploit, Vendor Advisory
USN-800-1: irssi vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com
irssi event_wallops() off-by-one Read/Write « xorl %eax, %eax af854a3a-2127-422b-91ae-364da2661108 xorl.wordpress.com Exploit
SUSE Update for Multiple Packages - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com
[security-announce] SUSE Security Summary Report: SUSE-SR:2009:012 af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
Irssi 'WALLOPS' Message Off By One Heap Memory Corruption Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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