CVE-2025-13912
LOWwolfSSL < 5.8.4 - Timing Side-Channel Information Disclosure via LLVM Optimization
Title source: llmDescription
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
Issue Tracking
https://github.com/wolfSSL/wolfssl/pull/9148
Scores
CVSS v4
1.0
EPSS
0.0013
EPSS Percentile
3.1%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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