WeeChat vulnerabilities

Releases

• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• weechat - Fast, light and extensible chat client (metapackage)

Details

Stuart Nevans Locke discovered that WeeChat’s relay plugin insecurely handled
malformed websocket frames. A remote attacker in control of a server
could possibly use this issue to cause denial of service in a client.
(CVE-2021-40516)

Stuart Nevans Locke discovered that WeeChat insecurely handled certain
IRC messages. A remote attacker in control of a server could possibly use
this issue to cause denial of service in a client. This issue only affected
Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9760)

Stuart Nevans Locke discovered that WeeChat insecurely handled certain
IRC messages. A remote unauthenticated attacker could possibly use these
issues to cause denial of service in a client. These issues only affected
Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-9759, CVE-2020-8955)

Joseph Bisch discovered that WeeChat’s logger incorrectly handled certain
memory operations when handling log file names. A remote attacker could possibly
use this issue to cause denial of service in a client. This issue only
affected Ubuntu 16.04 ESM. (CVE-2017-14727)