Echo: protobuf: security update to 3.21.12-11+e1

high Tenable Self-Hosted Container Security Plugin ID 458523

Description

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

- Any project that uses Protobuf Pure-Python backend to parse untrusted Protocol Buffers data containing an
arbitrary number of recursive groups, recursive messages or a series of SGROUP tags can be corrupted by
exceeding the Python recursion limit. This can result in a Denial of service by crashing the application
with a RecursionError. We recommend upgrading to version =>6.31.1 or beyond commit
17838beda2943d08b8a9d4df5b68f5f04f26d901 (CVE-2025-4565)

Solution

Update the protobuf library and its related packages to version 3.21.12-11+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2025-4565

Plugin Details

Severity: High

ID: 458523

Version: Revision 1.2

Type: Local

Published: 10/2/2026

Updated: 10/5/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2025-4565

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

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

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

CVSS v4

Risk Factor: High

Base Score: 8.2

Threat Score: 4.6

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 11/25/2025

Vulnerability Publication Date: 11/25/2025

Reference Information

CVE: CVE-2025-4565