Irssi

38 CVEs across 3 Irssi products. Browse Irssi vulnerabilities, severities, and proof-of-concept exploits.

Irssi products with known CVEs

ProductCVEs
Irssi41
Buf.pl1
Docker Image1
Irssi CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2023-29132Medium5.32023-04-14Irssi 1.3.x and 1.4.x before 1.4.4 has a use-after-free because of use of a stale special collector reference. This occurs when printing of a non-formatted lin…
CVE-2020-29602Critical9.82020-12-08The official irssi docker images before 1.1-alpine (Alpine specific) contain a blank password for a root user. System using the irssi docker container deployed…
CVE-2019-15717Critical9.82019-08-29Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.
CVE-2019-13045High8.12019-06-29Irssi before 1.0.8, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, when SASL is enabled, has a use after free when sending SASL login to the server.
CVE-2019-5882Critical9.82019-01-09Irssi 1.1.x before 1.1.2 has a use after free when hidden lines are expired from the scroll buffer.
CVE-2018-7054Critical9.82018-02-15An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when a server is disconnected during netsplits. NOTE: this issu…
CVE-2018-7053Critical9.82018-02-15An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. There is a use-after-free when SASL messages are received in an unexpected order.
CVE-2018-7052High7.52018-02-15An 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 der…
CVE-2018-7051High7.52018-02-15An issue was discovered in Irssi before 1.0.7 and 1.1.x before 1.1.1. Certain nick names could result in out-of-bounds access when printing theme strings.
CVE-2018-7050High7.52018-02-15An 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.
CVE-2018-5208Critical9.82018-01-06In Irssi before 1.0.6, a calculation error in the completion code could cause a heap buffer overflow when completing certain strings.
CVE-2018-5207High7.52018-01-06When using an incomplete variable argument, Irssi before 1.0.6 may access data beyond the end of the string.
CVE-2018-5206Critical9.82018-01-06When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.
CVE-2018-5205High7.52018-01-06When using incomplete escape codes, Irssi before 1.0.6 may access data beyond the end of the string.
CVE-2017-15723High7.52017-10-22In Irssi before 1.0.5, overlong nicks or targets may result in a NULL pointer dereference while splitting the message.
CVE-2017-15722Medium5.92017-10-22In certain cases, Irssi before 1.0.5 may fail to verify that a Safe channel ID is long enough, causing reads beyond the end of the string.
CVE-2017-15721High7.52017-10-22In 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…
CVE-2017-15228High7.52017-10-22Irssi before 1.0.5, when installing themes with unterminated colour formatting sequences, may access data beyond the end of the string.
CVE-2017-15227High7.52017-10-22Irssi before 1.0.5, while waiting for the channel synchronisation, may incorrectly fail to remove destroyed channels from the query list, resulting in use-afte…
CVE-2017-10966Critical9.82017-07-07An issue was discovered in Irssi before 1.0.4. While updating the internal nick list, Irssi could incorrectly use the GHashTable interface and free the nick wh…
CVE-2017-10965Critical9.82017-07-07An issue was discovered in Irssi before 1.0.4. When receiving messages with invalid time stamps, Irssi would try to dereference a NULL pointer.
CVE-2017-9469High7.52017-06-07In 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…
CVE-2017-9468High7.52017-06-07In 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 c…
CVE-2017-7191Critical9.82017-03-27The netjoin processing in Irssi 1.x before 1.0.2 allows attackers to cause a denial of service (use-after-free) and possibly execute arbitrary code via unspeci…
CVE-2017-5356High7.52017-03-03Irssi 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 (%[) with…
CVE-2017-5196High7.52017-03-03Irssi 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.
CVE-2017-5195High7.52017-03-03Irssi 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.
CVE-2017-5194High7.52017-03-03Use-after-free vulnerability in Irssi before 0.8.21 allows remote attackers to cause a denial of service (crash) via an invalid nick message.
CVE-2017-5193High7.52017-03-03The 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 n…
CVE-2016-7553Low3.32017-02-27The buf.pl script before 2.20 in Irssi before 0.8.20 uses weak permissions for the scrollbuffer dump file created between upgrades, which might allow local use…
CVE-2016-7045High7.52016-09-27The 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 cra…
CVE-2016-7044High7.52016-09-27The 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…
CVE-2010-11562010-04-16core/nicklist.c in Irssi before 0.8.15 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors relate…
CVE-2010-11552010-04-16Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alte…
CVE-2009-19592009-06-08Off-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…
CVE-2007-43992007-08-18CRLF injection vulnerability in the xmms.bx 1.0 script for BitchX allows user-assisted remote attackers to execute arbitrary IRC commands via CRLF sequences in…
CVE-2007-43982007-08-18Multiple CRLF injection vulnerabilities in the (1) now-playing.rb and (2) xmms.pl 1.1 scripts for WeeChat allow user-assisted remote attackers to execute arbit…
CVE-2007-43972007-08-18Multiple CRLF injection vulnerabilities in (1) xmms-thing 1.0, (2) XMMS Remote Control Script 1.07, (3) Disrok 1.0, (4) a2x 0.0.1, (5) Another xmms-info script…
CVE-2007-43962007-08-18Multiple CRLF injection vulnerabilities in (1) ixmmsa.pl 0.3, (2) l33tmusic.pl 2.00, (3) mpg123.pl 0.01, (4) ogg123.pl 0.01, (5) xmms.pl 2.0, (6) xmms2.pl 1.1…
CVE-2006-04582006-03-06The 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…
CVE-2003-10202004-01-05The 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).
CVE-2002-18402002-12-31irssi IRC client 0.8.4, when downloaded after 14-March-2002, could contain a backdoor in the configuration file, which allows remote attackers to access the sy…
CVE-2002-09832002-09-24IRC 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…