Echo: libsoup3: security update to 3.6.5-8

high Tenable Self-Hosted Container Security Plugin ID 466019

Description

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

- A flaw was found in libsoup. This stack-based buffer overflow vulnerability occurs during the parsing of
multipart HTTP responses due to an incorrect length calculation. A remote attacker can exploit this by
sending a specially crafted multipart HTTP response, which can lead to memory corruption. This issue may
result in application crashes or arbitrary code execution in applications that process untrusted server
responses, and it does not require authentication or user interaction. (CVE-2026-1761)

Solution

Update the libsoup3 library and its related packages to version 3.6.5-8 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-1761

Plugin Details

Severity: High

ID: 466019

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

Percentile: 96.19

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2026-1761

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:H/A:L

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

CVSS v4

Risk Factor: High

Base Score: 8.8

Threat Score: 6.8

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 6/1/2026

Vulnerability Publication Date: 2/2/2026

Reference Information

CVE: CVE-2026-1761

IAVA: 2026-A-0139-S