Debian dsa-6260 : tor - security update

critical Nessus Plugin ID 313711

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6260 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6260-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff May 10, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : tor CVE ID : CVE-2026-44597 CVE-2026-44599 CVE-2026-44600 CVE-2026-44601 CVE-2026-44602 CVE-2026-44603

Multiple security vulnerabilities were discovered in Tor, a connection- based low-latency anonymous communication system, which could result in denial of service.

For the oldstable distribution (bookworm), these problems have been fixed in version 0.4.9.8-0+deb12u1.

For the stable distribution (trixie), these problems have been fixed in version 0.4.9.8-0+deb13u1.

We recommend that you upgrade your tor packages.

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

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 tor packages.

Plugin Details

Severity: Critical

ID: 313711

File Name: debian_DSA-6260.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 5/10/2026

Updated: 5/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-44603

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:tor-geoipdb, p-cpe:/a:debian:debian_linux:tor, cpe:/o:debian:debian_linux:12.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/10/2026

Vulnerability Publication Date: 5/7/2026

Reference Information

CVE: CVE-2026-44597, CVE-2026-44599, CVE-2026-44600, CVE-2026-44601, CVE-2026-44602, CVE-2026-44603

Detections

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