Echo: libarchive: security update to 3.7.4-4+e10

low Tenable Self-Hosted Container Security Plugin ID 477723

Description

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

- A flaw was found in libarchive. An attacker can cause a Denial of Service (DoS) or potential information
disclosure due to a use-after-free vulnerability, which occurs when a program reads memory that has
already been released. This issue arises when the archive_entry_copy_mac_metadata() function deallocates
an internal buffer before completing a data copy. An attacker who can supply input to an application
utilizing this function can trigger the flaw to crash the application or read uninitialized memory data.
(CVE-2026-17591)

Solution

Update the libarchive library and its related packages to version 3.7.4-4+e10 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-17591

Plugin Details

Severity: Low

ID: 477723

Version: Revision 1.1

Type: Local

Published: 10/28/2026

Updated: 10/28/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 8.26

CVSS v2

Risk Factor: Low

Base Score: 2.6

Temporal Score: 1.9

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

CVSS Score Source: CVE-2026-17591

CVSS v3

Risk Factor: Low

Base Score: 3.6

Temporal Score: 3.2

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 10/17/2026

Vulnerability Publication Date: 10/16/2026

Reference Information

CVE: CVE-2026-17591