SB2026050323 - openEuler 24.03 LTS SP3 update for edk2



SB2026050323 - openEuler 24.03 LTS SP3 update for edk2

Published: May 3, 2026

Security Bulletin ID SB2026050323
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Unchecked Return Value (CVE-ID: CVE-2026-31790)

The vulnerability allows a remote attacker to disclose sensitive information.

The vulnerability exists due to incorrect failure handling in RSA KEM RSASVE encapsulation when processing an attacker-supplied invalid RSA public key with EVP_PKEY_encapsulate(). A remote attacker can supply an invalid RSA public key to disclose sensitive information.

The issue affects applications using RSA/RSASVE encapsulation without validating the supplied public key first.


Remediation

Install update from vendor's website.