USN-5258-1

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USN-5258-1

Summary: weechat vulnerabilities

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)

References: https://ubuntu.com/security/notices/USN-5258-1, https://ubuntu.com/security/CVE-2017-14727, https://ubuntu.com/security/CVE-2020-8955, https://ubuntu.com/security/CVE-2020-9759, https://ubuntu.com/security/CVE-2020-9760, https://ubuntu.com/security/CVE-2021-40516