SB2025092630 - Uncontrolled recursion in Connect2id Nimbus JOSE + JWT
Published: September 26, 2025
Security Bulletin ID
SB2025092630
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) Uncontrolled Recursion (CVE-ID: CVE-2025-53864)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack via a deeply nested JSON object supplied in a JWT claim set.
Remediation
Install update from vendor's website.
References
- https://bitbucket.org/connect2id/nimbus-jose-jwt/commits/f7fb882cc08f027c9ceb874acec3b51c6222861c
- https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/583/stackoverflowerror-due-to-deeply-nested
- https://bitbucket.org/connect2id/nimbus-jose-jwt/issues/593/back-port-cve-2025-53864-fix-to-9x-branch
- https://github.com/google/gson/commit/1039427ff0100293dd3cf967a53a55282c0fef6b
- https://github.com/google/gson/compare/gson-parent-2.11.0...gson-parent-2.12.0