Echo: curl-7.69.1: security update to 7.69.1+e1

high Tenable Self-Hosted Container Security Plugin ID 476263

Description

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

- A vulnerability in input validation exists in curl <8.0 during communication using the TELNET protocol may
allow an attacker to pass on maliciously crafted user name and "telnet options" during server negotiation.
The lack of proper input scrubbing allows an attacker to send content or perform option negotiation
without the application's intent. This vulnerability could be exploited if an application allows user
input, thereby enabling attackers to execute arbitrary code on the system. (CVE-2023-27533)

Solution

Update the curl-7.69.1 library and its related packages to version 7.69.1+e1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2023-27533

Plugin Details

Severity: High

ID: 476263

Version: Revision 1.1

Type: Local

Published: 10/20/2026

Updated: 10/20/2026

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.43

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2023-27533

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/20/2026

Vulnerability Publication Date: 3/20/2023

Reference Information

CVE: CVE-2023-27533