USN-8840-1: libevent vulnerabilities
Michał Majchrowicz and Marcin Wyczechowski discovered that libevent
incorrectly handled certain DNS responses. A remote attacker could possibly
use this issue to cause a denial of service or execute arbitrary code.
(CVE-2026-63387)
It was discovered that libevent incorrectly handled certain connections. A
local attacker could possibly use this issue to cause a denial of service
or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS,
Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.
(CVE-2026-63388)