Detections
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Echo: tar: security update to 1.35+dfsg-3.1+e4

medium Tenable Cloud Security Plugin ID 464402

Description

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

 - A flaw was found in tar. A remote attacker could exploit this vulnerability by crafting a malicious
 archive, leading to hidden file injection with fully attacker-controlled content. This bypasses pre-
 extraction inspection mechanisms, potentially allowing an attacker to introduce malicious files onto a
 system without detection. (CVE-2026-5704)

Solution

Update the tar library and its related packages to version 1.35+dfsg-3.1+e4 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-5704

Plugin Details

Severity: Medium

ID: 464402

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 93.18

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2026-5704

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/7/2026

Vulnerability Publication Date: 4/6/2026

Reference Information

CVE: CVE-2026-5704