Echo: gawk: security update to 1:5.2.1-2+e1

low Tenable Self-Hosted Container Security Plugin ID 462763

Description

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

- Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to
memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and
objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below. (CVE-2026-40468)

Solution

Update the gawk library and its related packages to version 1:5.2.1-2+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-40468

Plugin Details

Severity: Low

ID: 462763

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.6

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-40468

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:N/I:H/A:H

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

CVSS v4

Risk Factor: Low

Base Score: 2.1

Threat Score: 0.5

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/14/2026

Vulnerability Publication Date: 7/13/2026

Reference Information

CVE: CVE-2026-40468