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Debian dla-4822 : ruby-oauth2 - security update

high Nessus Plugin ID 363013

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 host has a package installed that is affected by a vulnerability as referenced in the dla-4822 advisory.

 - ------------------------------------------------------------------------- Debian LTS Advisory DLA-4822-1 [email protected] https://www.debian.org/lts/security/ Simon Quigley October 05, 2026 https://wiki.debian.org/LTS
 - -------------------------------------------------------------------------

 Package : ruby-oauth2 Version : 1.4.4-1+deb12u1 CVE ID : CVE-2026-54603

 A vulnerability was discovered in ruby-oauth2, a Ruby library for OAuth 2.0, which could result in a bearer token being sent to the host named by a redirect Location.

 For Debian 12 bookworm, this problem has been fixed in version 1.4.4-1+deb12u1.

 We recommend that you upgrade your ruby-oauth2 packages.

 For the detailed security status of ruby-oauth2 please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/ruby-oauth2

 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 this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the ruby-oauth2 packages.

See Also

https://packages.debian.org/source/bookworm/ruby-oauth2

https://security-tracker.debian.org/tracker/CVE-2026-54603

http://www.nessus.org/u?1014b2d8

Plugin Details

Severity: High

ID: 363013

File Name: debian_DLA-4822.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/5/2026

Updated: 10/5/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 51.06

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-54603

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:ruby-oauth2

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 10/5/2026

Vulnerability Publication Date: 7/28/2026

Reference Information

CVE: CVE-2026-54603