Cyber Resilience

CVE-2023-27539

Rack 2.0.0 – 2.2.6.4

Published
09 January 2025
Modified
10 October 2025
Patch / advisory
View advisory
CVSS Score v3.1 5.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.011 62th percentile
Risk Priority 46 floored blend · peak EPSS

Summary

CVE-2023-27539 is a medium-severity an unspecified weakness vulnerability in Rack Rack. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 38% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

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

CWE(s)
NVD-CWE-noinfo

Related Threats

CVEs Like This One

CVE-2023-27530Same product: Debian Debian Linux
CVE-2024-26141Same product: Debian Debian Linux
CVE-2024-25126Same product: Debian Debian Linux
CVE-2024-26146Same product: Debian Debian Linux
CVE-2026-32762Same product: Rack Rack
CVE-2026-34785Same product: Rack Rack
CVE-2026-34829Same product: Rack Rack
CVE-2026-22860Same product: Rack Rack
CVE-2026-34835Same product: Rack Rack
CVE-2026-34786Same product: Rack Rack

Affected Assets

rack
rack
2.0.0 — 2.2.6.4 · 3.0.0 — 3.0.6.1
debian
debian linux
10.0, 11.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References