Low severity · published Dec 11, 2025
CVE-2025-13912
Potential non-constant time compiled code with Clang LLVM
1.0
CVSS
0.1%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
wolfSSL · wolfSSL
before 5.8.4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-13912
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-13912
github.com
https://github.com/wolfSSL/wolfssl/pull/9148
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