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.
{
"cna_assigner": "mitre",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23408.json"
}{
"extracted_events": [
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"range": [
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{
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],
"source": "DESCRIPTION"
},
{
"cpe": "cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "5.0.0"
},
{
"fixed": "5.1.1"
}
],
"source": "CPE_RANGE"
}
]
}
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-23408.json"
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"id": "CVE-2022-23408-70232f27",
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"source": "https://github.com/wolfssl/wolfssl/commit/c3513bf2573c30f6d2df815de216120e92142020",
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"2026-10-21T08:14:08Z"