Vulnerabilities (CVE)

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Filtered by vendor Weechat Subscribe
Filtered by product Weechat
Total 6 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2020-8955 4 Debian, Fedoraproject, Opensuse and 1 more 5 Debian Linux, Fedora, Backports Sle and 2 more 2022-04-18 7.5 HIGH 9.8 CRITICAL
irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a malformed IRC message 324 (channel mode).
CVE-2022-28352 1 Weechat 1 Weechat 2022-04-13 4.0 MEDIUM 4.8 MEDIUM
WeeChat (aka Wee Enhanced Environment for Chat) 3.2 to 3.4 before 3.4.1 does not properly verify the TLS certificate of the server, after certain GnuTLS options are changed, which allows man-in-the-middle attackers to spoof a TLS chat server via an arbitrary certificate. NOTE: this only affects situations where weechat.network.gnutls_ca_system or weechat.network.gnutls_ca_user is changed without a WeeChat restart.
CVE-2020-9760 2 Debian, Weechat 2 Debian Linux, Weechat 2022-04-01 7.5 HIGH 9.8 CRITICAL
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected). When a new IRC message 005 is received with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
CVE-2021-40516 2 Debian, Weechat 2 Debian Linux, Weechat 2021-10-07 5.0 MEDIUM 7.5 HIGH
WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame that trigger an out-of-bounds read in plugins/relay/relay-websocket.c in the Relay plugin.
CVE-2017-8073 2 Debian, Weechat 2 Debian Linux, Weechat 2020-03-16 5.0 MEDIUM 7.5 HIGH
WeeChat before 1.7.1 allows a remote crash by sending a filename via DCC to the IRC plugin. This occurs in the irc_ctcp_dcc_filename_without_quotes function during quote removal, with a buffer overflow.
CVE-2017-14727 1 Weechat 2 Logger, Weechat 2017-09-29 5.0 MEDIUM 7.5 HIGH
logger.c in the logger plugin in WeeChat before 1.9.1 allows a crash via strftime date/time specifiers, because a buffer is not initialized.