Detections
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Debian dsa-6102 : python3-urllib3 - security update
high Nessus Plugin ID 291292
Synopsis
The remote Debian host is missing one or more security-related updates.Description
The remote Debian 12 / 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6102 advisory.- ------------------------------------------------------------------------- Debian Security Advisory DSA-6102-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso January 17, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------
Package : python-urllib3 CVE ID : CVE-2025-50181 CVE-2025-66418 CVE-2026-21441 Debian Bug : 1108076 1122030 1125062
Several vulnerabilities were discovered in python-urllib3, a HTTP library with thread-safe connection pooling for Python3, which could result in denial of service or request forgery.
For the oldstable distribution (bookworm), these problems have been fixed in version 1.26.12-1+deb12u2.
For the stable distribution (trixie), these problems have been fixed in version 2.3.0-3+deb13u1.
We recommend that you upgrade your python-urllib3 packages.
For the detailed security status of python-urllib3 please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/python-urllib3
Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/
Mailing list: [email protected]
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 python3-urllib3 packages.See Also
http://www.nessus.org/u?eb907009
https://security-tracker.debian.org/tracker/CVE-2025-50181
https://security-tracker.debian.org/tracker/CVE-2025-66418
https://security-tracker.debian.org/tracker/CVE-2026-21441
Plugin Details
Severity: High
ID: 291292
File Name: debian_DSA-6102.nasl
Version: 1.1
Type: local
Agent: unix
Family: Debian Local Security Checks
Published: 1/17/2026
Updated: 1/17/2026
Supported Sensors: Continuous Assessment, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 6.4
Temporal Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N
CVSS Score Source: CVE-2025-50181
CVSS v3
Risk Factor: Medium
Base Score: 6.1
Temporal Score: 5.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.9
Threat Score: 7.7
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H
CVSS Score Source: CVE-2026-21441
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:python3-urllib3, cpe:/o:debian:debian_linux:13.0
Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 1/17/2026
Vulnerability Publication Date: 6/18/2025