SB2025062648 - Stack-based buffer overflow in Helm
Published: June 26, 2025
Security Bulletin ID
SB2025062648
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2025-32387)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error. A remote unauthenticated attacker can craft a JSON Schema file within a chart with a deeply nested chain of references, leading to parser recursion that can exceed the stack size limit and trigger a stack overflow.
Remediation
Install update from vendor's website.