Golang: stdlib: security update to 1.25.9stdlib: security update to 1.26.2

critical Tenable Cloud Security Plugin ID 439978

Description

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

- Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a
result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory
corruption. (CVE-2026-27143)

Solution

Update the stdlib library and its related packages to version 1.25.9 or later.

See Also

https://pkg.go.dev/vuln/GO-2026-4868

Plugin Details

Severity: Critical

ID: 439978

Version: Revision 1.7

Type: Local

Family: Golang

Published: 4/8/2026

Updated: 4/27/2026

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-27143

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/7/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-27143