In elisp-mode.el in GNU Emacs before 30.1, a user who chooses to invoke elisp-completion-at-point (for code completion) on untrusted Emacs Lisp source code can trigger unsafe Lisp macro expansion that allows attackers to execute arbitrary code. (This unsafe expansion also occurs if a user chooses to enable on-the-fly diagnosis that byte compiles untrusted Emacs Lisp source code.)
21.4.22-14ubuntu121.4.22-4ubuntu32009.02.17.dfsg.2-221.4.24-4ubuntu121.4.24-5ubuntu12009.02.17.dfsg.2-421.4.24-8build121.4.24-92009.02.17.dfsg.2-42009.02.17.dfsg.2-521.4.24-9ubuntu22009.02.17.dfsg.2-521.4.24-1221.4.24-12build221.4.24-12build32009.02.17.dfsg.3-22009.02.17.dfsg.3-3Exploitability
AV:LAC:LPR:NUI:RScope
S:UImpact
C:HI:HA:HCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H