CVE-2025-13912 - CVE House
Back to Database
Status published Low CVE-2025-13912

Potential non-constant time compiled code with Clang LLVM

Vulnerability Description

Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-13912

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Jing Liu
  • Zhiyuan Zhang
  • LUCÍA MARTÍNEZ GAVIER
  • Gilles Barthe
  • Marcel Böhme

References

More from wolfSSL

View All →
CVE-2025-7396
Curve25519 Blinding
Medium 5.6
CVE-2025-7395
Domain Name Validation Bypass with Apple Native Certificate Validation
Critical 9.2
CVE-2025-7394
In the OpenSSL compatibility layer implementation, the function RAND_poll() was...
High 7
CVE-2025-15382
Client SCP Request Triggers Buffer Overread by 1 Byte
Medium 5.1
CVE-2025-15346
wolfSSL Python library `CERT_REQUIRED` mode fails to enforce client certificate requirement
Critical 9.3

Affected Vendor

Affected Software

wolfSSL
Vulnerable Versions:
0

Timeline

Official Publish: December 11th, 2025
Last Modified: December 11th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-203

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1046 Network Service Discovery
Discovery