openSUSE 16 Security Update : tor (openSUSE-SU-2026:21660-1)

high Nessus Plugin ID 341169

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21660-1 advisory.

Changes in tor:

- Update to 0.4.9.11
* Major bugfixes
- onion services: Prevent a race condition (boo#1275918, CVE-2026-77638)
- client: no longer assert and exit if an onion service encodes an all-zero public key for one of its introduction points
- directory authorities: Stop allowing 0 as a port in exit policy lines
- security, conflux: Fix a use-after-free (and potential double free) (boo#1275919, CVE-2026-77587, TROVE-2026-026)

- Update to 0.4.9.10
* Major bugfixes
- conflux, security: Reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. (boo#1275920, CVE-2026-77584, TROVE-2026-025)
- client: Resume warning about unsafe socks protocols when SafeSocks is not set. Also resume warning every time when TestSocks is set.
- Make clients more consistently expire entry guards 48 to 60 days after they are first used.

Tenable has extracted the preceding description block directly from the SUSE 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

Update the affected tor package.

Plugin Details

Severity: High

ID: 341169

File Name: openSUSE-2026-21660-1.nasl

Version: 1.1

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 8/28/2026

Updated: 8/28/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.75

CVSS v2

Risk Factor: High

Base Score: 7.3

Temporal Score: 5.4

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

CVSS Score Source: CVE-2026-77638

CVSS v3

Risk Factor: High

Base Score: 8.9

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:tor

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 8/25/2026

Vulnerability Publication Date: 8/20/2026

Reference Information

CVE: CVE-2026-77584, CVE-2026-77587, CVE-2026-77638

Detections

Analytics