Detections
Analytics

Alpine: multiple synapse packages: security update to 1.127.1-r0

high Tenable Self-Hosted Container Security Plugin ID 427518

Description

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

 - Synapse is an open source Matrix homeserver implementation. A malicious server can craft events which,
 when received, prevent Synapse version up to 1.127.0 from federating with other servers. The vulnerability
 has been exploited in the wild and has been fixed in Synapse v1.127.1. No known workarounds are available.
 (CVE-2025-30355)

See Also

https://security.alpinelinux.org/vuln/CVE-2025-30355

Plugin Details

Severity: High

ID: 427518

Version: Revision 1.12

Type: Local

Published: 5/16/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.65

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2025-30355

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 3/27/2025

Reference Information

CVE: CVE-2025-30355