CVE-2025-13912

LOW

wolfSSL < 5.8.4 - Timing Side-Channel Information Disclosure via LLVM Optimization

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v4 1.0
EPSS 0.0012
EPSS Percentile 2.4%
CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-203
Status published
Products (1)
wolfSSL/wolfSSL < 5.8.4
Published Dec 11, 2025
Tracked Since Feb 18, 2026