SB2026011981 - Remote code execution in BIG-IP Next dSSM component
Published: January 19, 2026
Security Bulletin ID
SB2026011981
Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) 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
Cybersecurity Help is not aware of any official remediation provided by the vendor.