CVE-2025-13912Observable Discrepancy in Wolfssl

Severity
1.0LOWNVD
EPSS
0.0%
top 93.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 11

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.

CVSS vector

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

Affected Packages6 packages

🔴Vulnerability Details

2
GHSA
GHSA-7582-g6xx-939j: Multiple constant-time implementations in wolfSSL before version 52025-12-11
OSV
CVE-2025-13912: Multiple constant-time implementations in wolfSSL before version 52025-12-11

📋Vendor Advisories

2
Microsoft
Potential non-constant time compiled code with Clang LLVM2025-12-09
Debian
CVE-2025-13912: wolfssl - Multiple constant-time implementations in wolfSSL before version 5.8.4 may be tr...2025

🕵️Threat Intelligence

1
Wiz
CVE-2025-13912 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2025-13912 — Observable Discrepancy in Wolfssl | cvebase