Alpine: multiple screen packages: security update to 4.8.0-r4 (deprecated)

critical Tenable Cloud Security Plugin ID 400283

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- encoding.c in GNU Screen through 4.8.0 allows remote attackers to cause a denial of service (invalid write
access and application crash) or possibly have unspecified other impact via a crafted UTF-8 character
sequence. (CVE-2021-26937)

Plugin Details

Severity: Critical

ID: 400283

Version: Revision 1.27

Type: Local

Family: Alpine Linux Local Security Checks

Published: 8/16/2023

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.12

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-26937

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2/14/2021

Vulnerability Publication Date: 2/9/2021

Reference Information

CVE: CVE-2021-26937

Detections

Analytics