| Name | CVE-2023-27986 |
| Description | emacsclient-mail.desktop in Emacs 28.1 through 28.2 is vulnerable to Emacs Lisp code injections through a crafted mailto: URI with unescaped double-quote characters. It is fixed in 29.0.90. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1032538 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| emacs (PTS) | buster (security), buster, buster (lts) | 1:26.1+1-3.2+deb10u6 | fixed |
| bullseye (security), bullseye | 1:27.1+1-3.1+deb11u5 | fixed |
| bookworm (security), bookworm | 1:28.2+1-15+deb12u3 | fixed |
| sid, trixie | 1:29.4+1-4 | fixed |
| emacs24 (PTS) | jessie, jessie (lts) | 24.4+1-5+deb8u5 | fixed |
| stretch (security) | 24.5+1-11+deb9u1 | fixed |
| stretch (lts), stretch | 24.5+1-11+deb9u5 | fixed |
| emacs25 (PTS) | stretch (security) | 25.1+1-4+deb9u1 | fixed |
| stretch (lts), stretch | 25.1+1-4+deb9u5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| emacs | source | buster | (not affected) | | | |
| emacs | source | bullseye | (not affected) | | | |
| emacs | source | (unstable) | 1:28.2+1-13 | | | 1032538 |
| emacs24 | source | (unstable) | (not affected) | | | |
| emacs25 | source | (unstable) | (not affected) | | | |
Notes
[bullseye] - emacs <not-affected> (Vulnerable code not present, introduced in 28.1)
[buster] - emacs <not-affected> (Vulnerable code not present, introduced in 28.1)
https://www.openwall.com/lists/oss-security/2023/03/08/2
Introduced by: http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=b1b05c828d67930bb3b897fe98e1992db42cf23c (emacs-28.0.90)
Fixed by: http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2cc
- emacs24 <not-affected> (Vulnerable code not present, introduced in 28.1)
- emacs25 <not-affected> (Vulnerable code not present, introduced in 28.1)