Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: byacc (UTSA-2023-000152)

medium Nessus Plugin ID 348891

Synopsis

The Unity Linux host is missing one or more security updates.

Description

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2023-000152 advisory.

** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Tenable has extracted the preceding description block directly from the Unity Linux 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

Update the affected byacc package.

See Also

https://gitee.com/src-openeuler/byacc/issues/I67JUL

https://nvd.nist.gov/vuln/detail/CVE-2021-33642

http://www.nessus.org/u?b74acc09

Plugin Details

Severity: Medium

ID: 348891

File Name: unity_linux_UTSA-2023-000152.nasl

Version: 1.1

Type: Local

Published: 9/22/2026

Updated: 9/22/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.61

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2021-33642

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 1/17/2023

Vulnerability Publication Date: 1/17/2023

Reference Information

CVE: CVE-2021-33642