SB2026072271 - Fedora EPEL 8 update for valkey



SB2026072271 - Fedora EPEL 8 update for valkey

Published: July 22, 2026

Security Bulletin ID SB2026072271
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2026-56684)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the TLS connection handling. A remote user can execute arbitrary code on the target system.


2) Use-after-free (CVE-ID: CVE-2026-63639)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in stream deserialization. A remote user can use a specially crafted RESTORE command and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.