CVSS 7.5 · High EPSS 0,24%
Kerentanan Signed to Unsigned Conversion Error pada libcoap. Skor CVSS 3.1 7.5 (High) menurut CISA ADP.
Integer signedness error in tls_verify_call_back() in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted TLS certificate that causes i2d_X509() to return -1 and be misused as a malloc() size parameter.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
· uraikan di kalkulator | Vendor | Produk | Versi terdampak |
|---|---|---|
| libcoap | libcoap | Versi 4.3.5 |