Detections
Analytics

Echo: libsoup3: security update to 3.8.0-1

medium Tenable Self-Hosted Container Security Plugin ID 478245

Description

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

 - A flaw was found in libsoup. An unsigned integer underflow in the soup_filter_input_stream_read_until()
 function causes a heap buffer over-read when parsing multipart HTTP responses. A malicious HTTP server can
 exploit this by sending a crafted multipart response, potentially causing the client application to crash
 or disclose sensitive heap memory. (CVE-2026-66337)

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-2026-66337

Plugin Details

Severity: Medium

ID: 478245

Version: Revision 1.1

Type: Local

Published: 11/3/2026

Updated: 11/3/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.93

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-66337

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:N/A:L

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/25/2026

Vulnerability Publication Date: 7/24/2026

Reference Information

CVE: CVE-2026-66337