Echo: libsoup3: security update to 3.6.6-1+e10

high Tenable Cloud Security Plugin ID 473479

Description

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

- A flaw was found in libsoup. When constructing a masked WebSocket client frame for a very large outgoing
payload, size values passed to GByteArray allocation APIs could be truncated while the masking routine
still used the full length, causing a heap buffer overflow. (CVE-2026-102559)

Solution

Update the libsoup3 library and its related packages to version 3.6.6-1+e10 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-102559

Plugin Details

Severity: High

ID: 473479

Version: Revision 1.1

Type: Local

Published: 10/7/2026

Updated: 10/7/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.9

Percentile: 52.52

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-102559

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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-2026-102559