CVE-2023-27539

Publication date 22 March 2023

Last updated 15 January 2025

Ubuntu priority

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

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ruby-rack	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	23.10 mantic	Fixed 2.2.4-3ubuntu0.1
	23.04 lunar	Ignored end of life, was needs-triage
	22.10 kinetic	Ignored end of life, was needs-triage
	22.04 LTS jammy	Fixed 2.1.4-5ubuntu1.1
	20.04 LTS focal	Fixed 2.0.7-2ubuntu0.1+esm4 Ubuntu Pro
	18.04 LTS bionic	Fixed 1.6.4-4ubuntu0.2+esm5 Ubuntu Pro
	16.04 LTS xenial	Fixed 1.6.4-3ubuntu0.2+esm5 Ubuntu Pro
	14.04 LTS trusty	Fixed 1.5.2-3+deb8u3ubuntu1~esm7 Ubuntu Pro

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ruby-rack	Upstream: 231ef36 Upstream: ee7919e

References

Related Ubuntu Security Notices (USN)

USN-6689-1
Rack vulnerabilities
12 March 2024

USN-6905-1
Rack vulnerabilities
23 July 2024