SB2025100737 - Multiple vulnerabilities in Valkey

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Main Vulnerability Database SB2025100737

SB2025100737 - Multiple vulnerabilities in Valkey

Published: October 7, 2025 Updated: February 6, 2026

Security Bulletin ID SB2025100737
Severity
High
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 25% Medium 50% Low 25%
  • 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) Integer underflow (CVE-ID: CVE-2025-49112)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to an integer underflow within the setDeferredReply() function in networking.c. A remote attacker can send a specially crafted request to the affected application, trigger an integer underflow and perform a denial of service attack. 


Remediation

Install update from vendor's website.

References