CVE-2023-40175

rubygem-puma: This update for rubygem-puma fixes the following issues: Update to version 5.6.9. - CVE-2024-45614: improper header...

CVE-2023-40175 is fixed in 2 products on 1 platform, first by puma 5.6.5-4ubuntu2, released August 18, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
9.8
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0085
58th percentile

This update for rubygem-puma fixes the following issues: Update to version 5.6.9. - CVE-2024-45614: improper header normalization allows for clients to clobber proxy set headers, which can lead to information leaks (bsc#1230848, fixed in an earlier update). - CVE-2024-21647: unbounded resource consumption due to invalid parsing of chunked encoding in HTTP/1.1 can lead to denial-of-service attacks (bsc#1218638, fixed in an earlier update) - CVE-2023-40175: incorrect behavior when parsing chunked transfer encoding bodies and zero-length Content-Length headers can lead to HTTP request smuggling attacks (bsc#1214425, fixed in an earlier update).

Where it's fixed

ProductFixed inFixReleased
Linux
puma · Debian 12.15 (bookworm) 5.6.5-3+deb12u1 DEBIAN-CVE-2023-40175 Aug 18, 2023
puma · Debian 13.5 (trixie) 5.6.7-1 DEBIAN-CVE-2023-40175 Aug 18, 2023
puma · Debian 14 5.6.7-1 DEBIAN-CVE-2023-40175 Aug 18, 2023
puma · Ubuntu 20.04 LTS (focal) 3.12.4-1ubuntu2+esm1 puma 3.12.4-1ubuntu2+esm1 Jan 8, 2024
puma · Ubuntu 22.04.1 LTS (jammy) 5.5.2-2ubuntu2+esm1 puma 5.5.2-2ubuntu2+esm1 Jan 8, 2024
puma · Ubuntu 24.04.5 LTS (noble) 5.6.5-4ubuntu2 puma 5.6.5-4ubuntu2 Aug 18, 2023
puma · Ubuntu 24.10 (oracular) 5.6.5-4ubuntu2 puma 5.6.5-4ubuntu2 Jan 16, 2026
puma · Ubuntu 25.04 (plucky) 5.6.5-4ubuntu2 puma 5.6.5-4ubuntu2 Jan 16, 2026
rubygem-puma · opensuse-leap 15.6 5.6.9-150600.18.3.1 SUSE-SU-2025:03467-1 Oct 7, 2025
rubygem-puma · sles 15.6 5.6.9-150600.18.3.1 SUSE-SU-2025:03467-1 Oct 7, 2025
rubygem-puma · sles 15.7 5.6.9-150600.18.3.1 SUSE-SU-2025:03467-1 Oct 7, 2025

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