Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2023-27539

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

Published

2025-01-09T01:15:07.483

Last Modified

2025-10-10T16:31:34.173

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	rack	rack	< 2.2.6.4	Yes
Application	rack	rack	< 3.0.6.1	Yes
Operating System	debian	debian_linux	10.0	Yes
Operating System	debian	debian_linux	11.0	Yes

References

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