Is CVE-2023-27539 actively exploited?

CVE-2023-27539 has no public evidence of in-the-wild exploitation as of 2025-10-10.

What is the CVSS score for CVE-2023-27539?

CVE-2023-27539 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Patch guidance is available from rack security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2023-27539.

4 products: rack rack, rack rack, debian debian linux, debian debian linux.

There is a denial of service vulnerability in the header parsing component of Rack.

Primary Vendor: RACK
Published: 1/9/2025
Last Modified: 10/10/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

rack : rackrack : rackdebian : debian_linuxdebian : debian_linux

Cite this page

CVE-2023-27539. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2023-27539