Echo: libsoup3: security update to 3.8.0-1

medium Tenable Self-Hosted Container Security Plugin ID 478240

Description

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

- A flaw was found in libsoup. A remote attacker, by controlling the method parameter of the
`soup_message_new()` function, could inject arbitrary headers and additional request data. This
vulnerability, known as CRLF (Carriage Return Line Feed) injection, occurs because the method value is not
properly escaped during request line construction, potentially leading to HTTP request injection.
(CVE-2026-3633)

Solution

Update the libsoup3 library and its related packages to version 3.8.0-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-3633

Plugin Details

Severity: Medium

ID: 478240

Version: Revision 1.1

Type: Local

Published: 11/3/2026

Updated: 11/3/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.52

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-3633

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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: 6/1/2026

Vulnerability Publication Date: 3/17/2026

Reference Information

CVE: CVE-2026-3633