VulnerabilityModified
CVE-2023-27986
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.
HIGH 7.8EPSS 0.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.48% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- gnu/emacs
- Source
- cve@mitre.org
References
- http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2ccIssue Tracking, Patch
- http://www.openwall.com/lists/oss-security/2023/03/09/1Mailing List, Patch
- https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
- https://www.openwall.com/lists/oss-security/2023/03/08/2Mailing List, Patch
- http://git.savannah.gnu.org/cgit/emacs.git/commit/?h=emacs-29&id=3c1693d08b0a71d40a77e7b40c0ebc42dca2d2ccIssue Tracking, Patch
- http://www.openwall.com/lists/oss-security/2023/03/09/1Mailing List, Patch
- https://www.gabriel.urdhr.fr/2023/06/08/emacsclient-mail-shell-elisp-injections/
- https://www.openwall.com/lists/oss-security/2023/03/08/2Mailing List, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.