CVE-2023-27539

medium

Description

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

References

Advisories
More

https://github.com/advisories/GHSA-c6qg-cjj8-47qp

https://www.debian.org/security/2023/dsa-5530

https://security.netapp.com/advisory/ntap-20231208-0016/

https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html

https://github.com/rack/rack/commit/ee7919ea04303717858be1c3f16b406adc6d8cff

https://github.com/rack/rack/commit/231ef369ad0b542575fb36c74fcfcfabcf6c530c

https://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466

Details

Source: Mitre, NVD

Published: 2025-01-09

Updated: 2025-10-10

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Severity: Medium

EPSS

EPSS: 0.00116