CVE-2023-27986
HIGHCVSS 7.8/10EPSS 0.47%
Last modified
CVE-2023-27986 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Emacs | >= 28.1, <= 28.2 |
References
- http://www.openwall.com/lists/oss-security/2023/03/09/1Mailing List, Patch
- https://www.openwall.com/lists/oss-security/2023/03/08/2Mailing List, Patch
- http://www.openwall.com/lists/oss-security/2023/03/09/1Mailing List, Patch
- https://www.openwall.com/lists/oss-security/2023/03/08/2Mailing List, Patch
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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. It is fixed in 29.0.90.
How severe is CVE-2023-27986?
CVE-2023-27986 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.
How do I fix CVE-2023-27986?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-27986?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST