Echo: libsoup3: security update to 3.6.6-1

medium Tenable Self-Hosted Container Security Plugin ID 459275

Description

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

- A flaw was identified in libsoup, a widely used HTTP library in GNOME-based systems. When processing
specially crafted HTTP Range headers, the library may improperly validate requested byte ranges. In
certain build configurations, this could allow a remote attacker to access portions of server memory
beyond the intended response. Exploitation requires a vulnerable configuration and access to a server
using the embedded SoupServer component. (CVE-2026-2443)

Solution

Update the libsoup3 library and its related packages to version 3.6.6-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-2443

Plugin Details

Severity: Medium

ID: 459275

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-2443

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/1/2026

Vulnerability Publication Date: 2/13/2026

Reference Information

CVE: CVE-2026-2443

IAVA: 2026-A-0165-S