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Debian dla-4357 : ruby-rack - security update
medium Nessus Plugin ID 272174
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Synopsis
The remote Debian host is missing one or more security-related updates.Description
The remote Debian 11 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-4357 advisory.- ----------------------------------------------------------------------- Debian LTS Advisory DLA-4357-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta November 01, 2025 https://wiki.debian.org/LTS
- -----------------------------------------------------------------------
Package : ruby-rack Version : 2.1.4-3+deb11u4 CVE ID : CVE-2025-32441 CVE-2025-46727 CVE-2025-59830 CVE-2025-61770 CVE-2025-61771 CVE-2025-61772 CVE-2025-61780 CVE-2025-61919 Debian Bug : 1104927 1116431 1117855 1117856 1117627 1117628
Multiple vulnerabilities were found in ruby-rack, a modular Ruby webserver interface, as follows:
- CVE-2025-32441: Rack session can be restored after deletion.
- CVE-2025-46727: Unbounded parameter parsing in Rack::QueryParser can lead to memory exhaustion.
- CVE-2025-59830: Unbounded parameter parsing in Rack::QueryParser can lead to memory exhaustion via semicolon-separated parameters.
- CVE-2025-61770: Unbounded multipart preamble buffering enables DoS (memory exhaustion).
- CVE-2025-61771: Multipart parser buffers large nonfile fields entirely in memory, enabling DoS (memory exhaustion).
- CVE-2025-61772: Multipart parser buffers unbounded per-part headers, enabling DoS (memory exhaustion).
- CVE-2025-61919: Unbounded read in Rack::Request form parsing can lead to memory exhaustion.
- CVE-2025-61780: Improper handling of headers in Rack::Sendfile may allow proxy bypass.
For Debian 11 bullseye, these problems have been fixed in version 2.1.4-3+deb11u4.
We recommend that you upgrade your ruby-rack packages.
For the detailed security status of ruby-rack please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/ruby-rack
Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS
Tenable has extracted the preceding description block directly from the Debian security advisory.
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Upgrade the ruby-rack packages.See Also
https://security-tracker.debian.org/tracker/source-package/ruby-rack
https://security-tracker.debian.org/tracker/CVE-2025-32441
https://security-tracker.debian.org/tracker/CVE-2025-46727
https://security-tracker.debian.org/tracker/CVE-2025-59830
https://security-tracker.debian.org/tracker/CVE-2025-61770
https://security-tracker.debian.org/tracker/CVE-2025-61771
https://security-tracker.debian.org/tracker/CVE-2025-61772
https://security-tracker.debian.org/tracker/CVE-2025-61780
Plugin Details
Severity: Medium
ID: 272174
File Name: debian_DLA-4357.nasl
Version: 1.1
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 11/2/2025
Updated: 11/2/2025
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2025-61780
CVSS v3
Risk Factor: Medium
Base Score: 5.3
Temporal Score: 4.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:debian:debian_linux:ruby-rack
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Ease: No known exploits are available
Patch Publication Date: 11/1/2025
Vulnerability Publication Date: 5/1/2025
Reference Information
CVE: CVE-2025-32441, CVE-2025-46727, CVE-2025-59830, CVE-2025-61770, CVE-2025-61771, CVE-2025-61772, CVE-2025-61780, CVE-2025-61919