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Vulnerability Details :

CVE-2009-1959

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-06 Jun, 2009 | 18:00
Updated At-07 Aug, 2024 | 05:36
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:06 Jun, 2009 | 18:00
Updated At:07 Aug, 2024 | 05:36
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
x_refsource_MISC
http://www.securitytracker.com/id?1022410
vdb-entry
x_refsource_SECTRACK
http://www.openwall.com/lists/oss-security/2009/05/29/3
mailing-list
x_refsource_MLIST
http://www.securityfocus.com/bid/35399
vdb-entry
x_refsource_BID
http://www.irssi.org/ChangeLog
x_refsource_CONFIRM
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
vendor-advisory
x_refsource_FEDORA
http://bugs.irssi.org/index.php?do=details&task_id=662
x_refsource_CONFIRM
http://secunia.com/advisories/35685
third-party-advisory
x_refsource_SECUNIA
http://www.vupen.com/english/advisories/2009/1596
vdb-entry
x_refsource_VUPEN
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
vendor-advisory
x_refsource_SUSE
http://www.ubuntu.com/usn/usn-800-1
vendor-advisory
x_refsource_UBUNTU
http://secunia.com/advisories/35812
third-party-advisory
x_refsource_SECUNIA
http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
vendor-advisory
x_refsource_MANDRIVA
https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
vdb-entry
x_refsource_XF
http://secunia.com/advisories/36152
third-party-advisory
x_refsource_SECUNIA
Hyperlink: http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
Resource:
x_refsource_MISC
Hyperlink: http://www.securitytracker.com/id?1022410
Resource:
vdb-entry
x_refsource_SECTRACK
Hyperlink: http://www.openwall.com/lists/oss-security/2009/05/29/3
Resource:
mailing-list
x_refsource_MLIST
Hyperlink: http://www.securityfocus.com/bid/35399
Resource:
vdb-entry
x_refsource_BID
Hyperlink: http://www.irssi.org/ChangeLog
Resource:
x_refsource_CONFIRM
Hyperlink: https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
Resource:
vendor-advisory
x_refsource_FEDORA
Hyperlink: http://bugs.irssi.org/index.php?do=details&task_id=662
Resource:
x_refsource_CONFIRM
Hyperlink: http://secunia.com/advisories/35685
Resource:
third-party-advisory
x_refsource_SECUNIA
Hyperlink: http://www.vupen.com/english/advisories/2009/1596
Resource:
vdb-entry
x_refsource_VUPEN
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Resource:
vendor-advisory
x_refsource_SUSE
Hyperlink: http://www.ubuntu.com/usn/usn-800-1
Resource:
vendor-advisory
x_refsource_UBUNTU
Hyperlink: http://secunia.com/advisories/35812
Resource:
third-party-advisory
x_refsource_SECUNIA
Hyperlink: http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
Resource:
vendor-advisory
x_refsource_MANDRIVA
Hyperlink: https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
Resource:
vdb-entry
x_refsource_XF
Hyperlink: http://secunia.com/advisories/36152
Resource:
third-party-advisory
x_refsource_SECUNIA
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
x_refsource_MISC
x_transferred
http://www.securitytracker.com/id?1022410
vdb-entry
x_refsource_SECTRACK
x_transferred
http://www.openwall.com/lists/oss-security/2009/05/29/3
mailing-list
x_refsource_MLIST
x_transferred
http://www.securityfocus.com/bid/35399
vdb-entry
x_refsource_BID
x_transferred
http://www.irssi.org/ChangeLog
x_refsource_CONFIRM
x_transferred
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
vendor-advisory
x_refsource_FEDORA
x_transferred
http://bugs.irssi.org/index.php?do=details&task_id=662
x_refsource_CONFIRM
x_transferred
http://secunia.com/advisories/35685
third-party-advisory
x_refsource_SECUNIA
x_transferred
http://www.vupen.com/english/advisories/2009/1596
vdb-entry
x_refsource_VUPEN
x_transferred
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
vendor-advisory
x_refsource_SUSE
x_transferred
http://www.ubuntu.com/usn/usn-800-1
vendor-advisory
x_refsource_UBUNTU
x_transferred
http://secunia.com/advisories/35812
third-party-advisory
x_refsource_SECUNIA
x_transferred
http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
vendor-advisory
x_refsource_MANDRIVA
x_transferred
https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
vdb-entry
x_refsource_XF
x_transferred
http://secunia.com/advisories/36152
third-party-advisory
x_refsource_SECUNIA
x_transferred
Hyperlink: http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: http://www.securitytracker.com/id?1022410
Resource:
vdb-entry
x_refsource_SECTRACK
x_transferred
Hyperlink: http://www.openwall.com/lists/oss-security/2009/05/29/3
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: http://www.securityfocus.com/bid/35399
Resource:
vdb-entry
x_refsource_BID
x_transferred
Hyperlink: http://www.irssi.org/ChangeLog
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
Resource:
vendor-advisory
x_refsource_FEDORA
x_transferred
Hyperlink: http://bugs.irssi.org/index.php?do=details&task_id=662
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: http://secunia.com/advisories/35685
Resource:
third-party-advisory
x_refsource_SECUNIA
x_transferred
Hyperlink: http://www.vupen.com/english/advisories/2009/1596
Resource:
vdb-entry
x_refsource_VUPEN
x_transferred
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Resource:
vendor-advisory
x_refsource_SUSE
x_transferred
Hyperlink: http://www.ubuntu.com/usn/usn-800-1
Resource:
vendor-advisory
x_refsource_UBUNTU
x_transferred
Hyperlink: http://secunia.com/advisories/35812
Resource:
third-party-advisory
x_refsource_SECUNIA
x_transferred
Hyperlink: http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
Resource:
vendor-advisory
x_refsource_MANDRIVA
x_transferred
Hyperlink: https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
Resource:
vdb-entry
x_refsource_XF
x_transferred
Hyperlink: http://secunia.com/advisories/36152
Resource:
third-party-advisory
x_refsource_SECUNIA
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:08 Jun, 2009 | 01:00
Updated At:23 Apr, 2026 | 00:35

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches
irssi
irssi
>>irssi>>0.8.13
cpe:2.3:a:irssi:irssi:0.8.13:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-189Primarynvd@nist.gov
CWE ID: CWE-189
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://bugs.irssi.org/index.php?do=details&task_id=662cve@mitre.org
Exploit
Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlcve@mitre.org
N/A
http://secunia.com/advisories/35685cve@mitre.org
N/A
http://secunia.com/advisories/35812cve@mitre.org
N/A
http://secunia.com/advisories/36152cve@mitre.org
N/A
http://www.irssi.org/ChangeLogcve@mitre.org
Exploit
Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:133cve@mitre.org
N/A
http://www.openwall.com/lists/oss-security/2009/05/29/3cve@mitre.org
N/A
http://www.securityfocus.com/bid/35399cve@mitre.org
N/A
http://www.securitytracker.com/id?1022410cve@mitre.org
N/A
http://www.ubuntu.com/usn/usn-800-1cve@mitre.org
N/A
http://www.vupen.com/english/advisories/2009/1596cve@mitre.org
N/A
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/cve@mitre.org
Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/51184cve@mitre.org
N/A
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.htmlcve@mitre.org
N/A
http://bugs.irssi.org/index.php?do=details&task_id=662af854a3a-2127-422b-91ae-364da2661108
Exploit
Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
http://secunia.com/advisories/35685af854a3a-2127-422b-91ae-364da2661108
N/A
http://secunia.com/advisories/35812af854a3a-2127-422b-91ae-364da2661108
N/A
http://secunia.com/advisories/36152af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.irssi.org/ChangeLogaf854a3a-2127-422b-91ae-364da2661108
Exploit
Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:133af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.openwall.com/lists/oss-security/2009/05/29/3af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.securityfocus.com/bid/35399af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.securitytracker.com/id?1022410af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.ubuntu.com/usn/usn-800-1af854a3a-2127-422b-91ae-364da2661108
N/A
http://www.vupen.com/english/advisories/2009/1596af854a3a-2127-422b-91ae-364da2661108
N/A
http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/af854a3a-2127-422b-91ae-364da2661108
Exploit
https://exchange.xforce.ibmcloud.com/vulnerabilities/51184af854a3a-2127-422b-91ae-364da2661108
N/A
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.htmlaf854a3a-2127-422b-91ae-364da2661108
N/A
Hyperlink: http://bugs.irssi.org/index.php?do=details&task_id=662
Source: cve@mitre.org
Resource:
Exploit
Vendor Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://secunia.com/advisories/35685
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://secunia.com/advisories/35812
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://secunia.com/advisories/36152
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.irssi.org/ChangeLog
Source: cve@mitre.org
Resource:
Exploit
Vendor Advisory
Hyperlink: http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2009/05/29/3
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.securityfocus.com/bid/35399
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.securitytracker.com/id?1022410
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.ubuntu.com/usn/usn-800-1
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://www.vupen.com/english/advisories/2009/1596
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
Source: cve@mitre.org
Resource:
Exploit
Hyperlink: https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
Source: cve@mitre.org
Resource: N/A
Hyperlink: http://bugs.irssi.org/index.php?do=details&task_id=662
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Vendor Advisory
Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://secunia.com/advisories/35685
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://secunia.com/advisories/35812
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://secunia.com/advisories/36152
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.irssi.org/ChangeLog
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Vendor Advisory
Hyperlink: http://www.mandriva.com/security/advisories?name=MDVSA-2009:133
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.openwall.com/lists/oss-security/2009/05/29/3
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.securityfocus.com/bid/35399
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.securitytracker.com/id?1022410
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.ubuntu.com/usn/usn-800-1
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://www.vupen.com/english/advisories/2009/1596
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: http://xorl.wordpress.com/2009/05/28/irssi-event_wallops-off-by-one-readwrite/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Hyperlink: https://exchange.xforce.ibmcloud.com/vulnerabilities/51184
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A
Hyperlink: https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00146.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

18Records found
CVE-2017-9469
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CVSS Score-7.5||HIGH
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||
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Published-07 Jun, 2017 | 01:00
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In Irssi before 1.0.3, when receiving certain incorrectly quoted DCC files, it tries to find the terminating quote one byte before the allocated memory. Thus, remote attackers might be able to cause a crash.

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In Irssi before 1.0.3, when receiving a DCC message without source nick/host, it attempts to dereference a NULL pointer. Thus, remote IRC servers can cause a crash.

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Vendor-irssin/aDebian GNU/Linux
Product-debian_linuxirssin/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2006-0458
Matching Score-8
Assigner-Red Hat, Inc.
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Matching Score-8
Assigner-Red Hat, Inc.
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EPSS-0.93% / 76.32%
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7 Day CHG~0.00%
Published-06 Mar, 2006 | 23:00
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The DCC ACCEPT command handler in irssi before 0.8.9+0.8.10rc5-0ubuntu4.1 in Ubuntu Linux, and possibly other distributions, allows remote attackers to cause a denial of service (application crash) via certain crafted arguments in a DCC command.

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Vendor-irssin/a
Product-irssin/a
CVE-2017-5193
Matching Score-8
Assigner-MITRE Corporation
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Published-03 Mar, 2017 | 15:00
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The nickcmp function in Irssi before 0.8.21 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a message without a nick.

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Vendor-irssin/aDebian GNU/Linux
Product-debian_linuxirssin/a
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NULL Pointer Dereference
CVE-2017-5356
Matching Score-8
Assigner-Debian GNU/Linux
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CVSS Score-7.5||HIGH
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Published-03 Mar, 2017 | 15:00
Updated-13 May, 2026 | 00:24
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Known To Be Used In Ransomware Campaigns?-Not Available
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Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).

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CVE-2017-5194
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CVSS Score-7.5||HIGH
EPSS-1.87% / 83.32%
||
7 Day CHG~0.00%
Published-03 Mar, 2017 | 15:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
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Use-after-free vulnerability in Irssi before 0.8.21 allows remote attackers to cause a denial of service (crash) via an invalid nick message.

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Vendor-irssin/aDebian GNU/Linux
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CVSS Score-7.5||HIGH
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||
7 Day CHG~0.00%
Published-03 Mar, 2017 | 15:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Irssi 0.8.17 before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted ANSI x8 color code.

Action-Not Available
Vendor-irssin/a
Product-irssin/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2003-1020
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-0.54% / 67.92%
||
7 Day CHG~0.00%
Published-23 Dec, 2003 | 05:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The format_send_to_gui function in formats.c for irssi before 0.8.9 allows remote IRC users to cause a denial of service (crash).

Action-Not Available
Vendor-irssin/aMandriva (Mandrakesoft)
Product-mandrake_linuxirssin/a
CVE-2002-0983
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-5||MEDIUM
EPSS-1.00% / 77.19%
||
7 Day CHG~0.00%
Published-24 Aug, 2002 | 04:00
Updated-16 Apr, 2026 | 00:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

IRC client irssi in irssi-text before 0.8.4 allows remote attackers to cause a denial of service (crash) via an IRC channel that has a long topic followed by a certain string, possibly triggering a buffer overflow.

Action-Not Available
Vendor-irssin/a
Product-irssin/a
CVE-2017-15228
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.36% / 57.94%
||
7 Day CHG~0.00%
Published-22 Oct, 2017 | 17:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.

Action-Not Available
Vendor-irssin/a
Product-irssin/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2016-7044
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.93% / 83.61%
||
7 Day CHG~0.00%
Published-27 Sep, 2016 | 15:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The unformat_24bit_color function in the format parsing code in Irssi before 0.8.20, when compiled with true-color enabled, allows remote attackers to cause a denial of service (heap corruption and crash) via an incomplete 24bit color code.

Action-Not Available
Vendor-irssin/aCanonical Ltd.Debian GNU/Linux
Product-debian_linuxirssiubuntu_linuxn/a
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2016-7045
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.92% / 83.57%
||
7 Day CHG~0.00%
Published-27 Sep, 2016 | 15:00
Updated-06 May, 2026 | 22:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The format_send_to_gui function in the format parsing code in Irssi before 0.8.20 allows remote attackers to cause a denial of service (heap corruption and crash) via vectors involving the length of a string.

Action-Not Available
Vendor-irssin/aCanonical Ltd.Debian GNU/Linux
Product-debian_linuxirssiubuntu_linuxn/a
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CVE-2017-5196
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.05% / 77.81%
||
7 Day CHG~0.00%
Published-03 Mar, 2017 | 15:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Irssi 0.8.18 before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via vectors involving strings that are not UTF8.

Action-Not Available
Vendor-irssin/a
Product-irssin/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2017-15227
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.36% / 57.94%
||
7 Day CHG~0.00%
Published-22 Oct, 2017 | 17:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-after-free conditions when updating the state later on.

Action-Not Available
Vendor-irssin/a
Product-irssin/a
CWE ID-CWE-416
Use After Free
CVE-2017-15721
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.71% / 72.38%
||
7 Day CHG~0.00%
Published-22 Oct, 2017 | 17:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Irssi before 1.0.5, certain incorrectly formatted DCC CTCP messages could cause a NULL pointer dereference. This is a separate, but similar, issue relative to CVE-2017-9468.

Action-Not Available
Vendor-irssin/aDebian GNU/Linux
Product-debian_linuxirssin/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2017-15723
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.60% / 69.59%
||
7 Day CHG~0.00%
Published-22 Oct, 2017 | 17:00
Updated-13 May, 2026 | 00:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Irssi before 1.0.5, overlong nicks or targets may result in a NULL pointer dereference while splitting the message.

Action-Not Available
Vendor-irssin/aDebian GNU/Linux
Product-debian_linuxirssin/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-7050
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.14% / 78.65%
||
7 Day CHG~0.00%
Published-15 Feb, 2018 | 20:00
Updated-05 Aug, 2024 | 06:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. A NULL pointer dereference occurs for an "empty" nick.

Action-Not Available
Vendor-irssin/aCanonical Ltd.Debian GNU/Linux
Product-ubuntu_linuxirssidebian_linuxn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2018-7052
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.14% / 78.65%
||
7 Day CHG~0.00%
Published-15 Feb, 2018 | 20:00
Updated-05 Aug, 2024 | 06:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. When the number of windows exceeds the available space, a crash due to a NULL pointer dereference would occur.

Action-Not Available
Vendor-irssin/aCanonical Ltd.Debian GNU/Linux
Product-ubuntu_linuxirssidebian_linuxn/a
CWE ID-CWE-476
NULL Pointer Dereference
Details not found