SB2026022327 - Use-after-free in MongoDB
Published: February 23, 2026
Security Bulletin ID
SB2026022327
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-11979)
The vulnerability allows a remote user to perform a denial of service attack.
The vulnerability exists due to a use-after-free error. A remote user can crash the MongoDB server by causing buffer over-read by issuing a DDL operation while queries are being issued, under some conditions.
Remediation
Install update from vendor's website.