Echo: libsoup3: security update to 3.6.6-1+e8

critical Tenable Cloud Security Plugin ID 473180

Description

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

- A flaw was found in libsoup. When the permessage-deflate WebSocket extension compresses a very large
outgoing message, truncated size calculations used for GByteArray growth could wrap, causing zlib to write
past the allocated buffer and resulting in a heap buffer overflow. (CVE-2026-102560)

Solution

Update the libsoup3 library and its related packages to version 3.6.6-1+e8 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-102560

Plugin Details

Severity: Critical

ID: 473180

Version: Revision 1.2

Type: Local

Published: 10/6/2026

Updated: 10/19/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.41

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-102560

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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: 9/30/2026

Vulnerability Publication Date: 9/29/2026

Reference Information

CVE: CVE-2026-102560