CVE-2009-1959

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5 UNKNOWN
NETWORK
LOW
AV:N/AC:L/Au:N/C:N/I:N/A:P
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 90%
VendorProductVersion
irssiirssi
0.8.13
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
irssi
bullseye
1.2.3-1
fixed
bookworm
1.4.3-2
fixed
sid
1.4.5-1
fixed
trixie
1.4.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
irssi
jaunty
Fixed 0.8.12-6ubuntu1.1
released
intrepid
Fixed 0.8.12-4ubuntu2.1
released
hardy
Fixed 0.8.12-3ubuntu3.1
released
dapper
Fixed 0.8.10-1ubuntu1.1
released
Common Weakness Enumeration
References
http://bugs.irssi.org/index.php?do=details&task_id=662
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
http://secunia.com/advisories/35685
http://secunia.com/advisories/35812
http://secunia.com/advisories/36152
http://www.irssi.org/ChangeLog
http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
http://www.openwall.com/lists/oss-security/2009/05/29/3
http://www.securityfocus.com/bid/35399
http://www.securitytracker.com/id?1022410
http://www.ubuntu.com/usn/usn-800-1
http://www.vupen.com/english/advisories/2009/1596
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
http://bugs.irssi.org/index.php?do=details&task_id=662
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
http://secunia.com/advisories/35685
http://secunia.com/advisories/35812
http://secunia.com/advisories/36152
http://www.irssi.org/ChangeLog
http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
http://www.openwall.com/lists/oss-security/2009/05/29/3
http://www.securityfocus.com/bid/35399
http://www.securitytracker.com/id?1022410
http://www.ubuntu.com/usn/usn-800-1
http://www.vupen.com/english/advisories/2009/1596
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html