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

medium Tenable Cloud Security Plugin ID 439979

Description

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

 - tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive
 containing a large number of sparse regions encoded in the "old GNU sparse map" format. (CVE-2026-32288)

Solution

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

See Also

https://pkg.go.dev/vuln/GO-2026-4869

Plugin Details

Severity: Medium

ID: 439979

Version: Revision 1.7

Type: Local

Family: Golang

Published: 4/8/2026

Updated: 6/1/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2026-32288

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/7/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-32288