Weechat
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By the Year
In 2025 there have been 0 vulnerabilities in Weechat. Last year, in 2024 Weechat had 1 security vulnerability published. Right now, Weechat is on track to have less security vulnerabilities in 2025 than it did last year.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 0 | 0.00 |
| 2024 | 1 | 9.80 |
| 2023 | 0 | 0.00 |
| 2022 | 1 | 4.80 |
| 2021 | 1 | 7.50 |
| 2020 | 3 | 9.13 |
| 2019 | 0 | 0.00 |
| 2018 | 0 | 0.00 |
It may take a day or so for new Weechat vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Weechat Security Vulnerabilities
WeeChat 4.x Integer Overflow Buffer Overflow
CVE-2024-46613
9.8 - Critical
- November 10, 2024
WeeChat before 4.4.2 has an integer overflow and resultant buffer overflow at core/core-string.c when there are more than two billion items in a list. This affects string_free_split_shared , string_free_split, string_free_split_command, and string_free_split_tags.
Integer Overflow or Wraparound
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
CVE-2022-28352
4.8 - Medium
- April 02, 2022
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.
Improper Certificate Validation
WeeChat before 3.2.1 allows remote attackers to cause a denial of service (crash) via a crafted WebSocket frame
CVE-2021-40516
7.5 - High
- September 05, 2021
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.
Out-of-bounds Read
A Vulnerability of LG Electronic web OS TV Emulator could allow an attacker to escalate privileges and overwrite certain files
CVE-2020-9759
7.8 - High
- March 23, 2020
A Vulnerability of LG Electronic web OS TV Emulator could allow an attacker to escalate privileges and overwrite certain files. This vulnerability is due to wrong environment setting. An attacker could exploit this vulnerability through crafted configuration files and executable files.
Download of Code Without Integrity Check
An issue was discovered in WeeChat before 2.7.1 (0.3.4 to 2.7 are affected)
CVE-2020-9760
9.8 - Critical
- March 23, 2020
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.
Classic Buffer Overflow
irc_mode_channel_update in plugins/irc/irc-mode.c in WeeChat through 2.7
CVE-2020-8955
9.8 - Critical
- February 12, 2020
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).
Classic Buffer Overflow
