SB2025103028 - Red Hat Enterprise Linux 9 update for the redis:7 module
Published: October 30, 2025 Updated: January 4, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Integer overflow (CVE-ID: CVE-2025-46817)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow when processing Lua scripts. A remote user can pass specially crafted data to the application, trigger an integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
2) Improper authentication (CVE-ID: CVE-2025-46818)
The vulnerability allows a remote user to escalate privileges within the application.
The vulnerability exists due to an error when handling Lua scripts. A remote user can manipulate different LUA objects and potentially run their own code in the context of another user.
3) Out-of-bounds read (CVE-ID: CVE-2025-46819)
The vulnerability allows a remote user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing Lua scripts. A remote user can trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.
4) Use-after-free (CVE-ID: CVE-2025-49844)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error. A remote user can use a specially crafted Lua script to manipulate the garbage collector and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.