CVE-2023-27986

NameCVE-2023-27986
Descriptionemacsclient-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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1032538

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
emacs (PTS)buster1:26.1+1-3.2+deb10u2fixed
buster (security)1:26.1+1-3.2+deb10u5fixed
bullseye1:27.1+1-3.1+deb11u1fixed
bullseye (security)1:27.1+1-3.1+deb11u2fixed
bookworm1:28.2+1-15fixed
sid, trixie1:29.3+1-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
emacssourcebuster(not affected)
emacssourcebullseye(not affected)
emacssource(unstable)1:28.2+1-131032538

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

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