Unity Linux 20.1070e Security Update: undertow (UTSA-2026-016715)

high Nessus Plugin ID 316243

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-2026-016715 advisory.

A flaw was discovered in Undertow in versions before Undertow 2.1.1.Final where certain requests to the Expect: 100-continue header may cause an out of memory error. This flaw may potentially lead to a denial of service.

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 undertow package.

See Also

http://www.nessus.org/u?3e9b588a

https://nvd.nist.gov/vuln/detail/CVE-2020-10705

http://www.nessus.org/u?997c7a79

Plugin Details

Severity: High

ID: 316243

File Name: unity_linux_UTSA-2026-016715.nasl

Version: 1.1

Type: Local

Published: 5/22/2026

Updated: 5/22/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-10705

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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/cpu, Host/UOS-Server/release, Host/UOS-Server/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/8/2026

Vulnerability Publication Date: 6/10/2020

Reference Information

CVE: CVE-2020-10705