Detections
Analytics

Chainguard: multiple openssl-4.0 packages: security update to 4.0.1-r0

medium Tenable Cloud Security Plugin ID 477685

Description

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

 - Issue summary: When the X509_VERIFY_PARAM_set1_email is called by an application to validate a crafted
 e-mail address, such as during S/MIME message validation, an out of bounds read can happen. Impact
 summary: This out of bounds read will not directly exfiltrate the data read to the attacker so the most
 likely result is a crash and a Denial of Service. An internal helper function called from
 X509_VERIFY_PARAM_[set|add]_email() used a wrong length when validating the local part of an email
 address. This could cause the 64 octet limit on the local part of an email address to be not enforced, or
 cause an out of bound read and potentially a crash. The bug is reachable via S-MIME validation with a
 crafted From: address supplied in an email message that can potentially cause a crash. No FIPS modules are
 affected by this issue as the affected code is outside the OpenSSL FIPS module boundary. (CVE-2026-42771)

Solution

Update the openssl-4.0 library and its related packages to version 4.0.1-r0 or later.

Plugin Details

Severity: Medium

ID: 477685

Version: Revision 1.1

Type: Local

Published: 10/28/2026

Updated: 10/28/2026

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.78

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2026-42771

CVSS v3

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 5.4

Vector: CVSS:3.0/AV:L/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: 6/9/2026

Reference Information

CVE: CVE-2026-42771