Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt. This issue is hit specifically with a call to the function wcXChaCha20Poly1305Decrypt() which is not used with TLS connections, only from direct calls from an application.
{
"cwe_ids": [
"CWE-191"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/11xxx/CVE-2025-11931.json",
"cna_assigner": "wolfSSL"
}{
"cpe": "cpe:2.3:a:wolfssl:wolfssl:5.8.4:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "5.8.4"
},
{
"introduced": "5.8.4"
},
{
"last_affected": "5.8.4"
}
],
"source": [
"AFFECTED_FIELD",
"CPE_STRING"
]
}