CVE-2023-27539
MEDIUMCVSS 5.3/10EPSS 1.06%
Last modified
CVE-2023-27539 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. There is a denial of service vulnerability in the header parsing component of Rack.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.
Description
There is a denial of service vulnerability in the header parsing component of Rack.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rack | Rack | >= 2.0.0, < 2.2.6.4 |
| Rack | Rack | >= 3.0.0, < 3.0.6.1 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://github.com/advisories/GHSA-c6qg-cjj8-47qpPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/04/msg00017.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20231208-0016/Third Party Advisory
- https://www.debian.org/security/2023/dsa-5530Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2023-27539?
There is a denial of service vulnerability in the header parsing component of Rack.
How severe is CVE-2023-27539?
CVE-2023-27539 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.
How do I fix CVE-2023-27539?
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-2023-27539?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST