CVE-2023-27539

5.3 MEDIUM
Published: January 09, 2025 Modified: October 10, 2025
View on NVD

Description

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

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://discuss.rubyonrails.org/t/cve-2023-27539-possible-denial-of-service-vulnerability-in-racks-header-parsing/82466
Source: support@hackerone.com
Vendor Advisory
https://github.com/advisories/GHSA-c6qg-cjj8-47qp
Source: support@hackerone.com
Patch Third Party Advisory
https://github.com/rack/rack/commit/231ef369ad0b542575fb36c74fcfcfabcf6c530c
Source: support@hackerone.com
Patch
https://github.com/rack/rack/commit/ee7919ea04303717858be1c3f16b406adc6d8cff
Source: support@hackerone.com
Patch
https://lists.debian.org/debian-lts-announce/2023/04/msg00017.html
Source: support@hackerone.com
Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20231208-0016/
Source: support@hackerone.com
Third Party Advisory
https://www.debian.org/security/2023/dsa-5530
Source: support@hackerone.com
Mailing List Third Party Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.2%
42th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

rack debian