wolfSSL 5.x before 5.1.1 uses non-random IV values in certain situations. This affects connections (without AEAD) using AES-CBC or DES3 with TLS 1.1 or 1.2 or DTLS 1.1 or 1.2. This occurs because of misplaced memory initialization in BuildMessage in internal.c.
[
{
"signature_type": "Line",
"source": "https://github.com/wolfssl/wolfssl/commit/c3513bf2573c30f6d2df815de216120e92142020",
"signature_version": "v1",
"target": {
"file": "wolfssl/wolfcrypt/types.h"
},
"id": "CVE-2022-23408-70232f27",
"deprecated": false,
"digest": {
"line_hashes": [
"200590224686773621064818426051680514278",
"73842892001327371820861045504044856872",
"180370452298823710791418685500416112741",
"232453673344828506816027349836980723411"
],
"threshold": 0.9
}
}
]
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-23408.json"
"2026-04-11T22:13:38Z"