SB2026031403 - Local denial of service in OpenBSD pledge(2)
Published: March 14, 2026
Security Bulletin ID
SB2026031403
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) Resource management error (CVE-ID: N/A)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper management of internal resources within the pledge_recvfd() function in kern_pledge.c, which kills a process that receives bad descriptors. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.