Array index 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 DTLS handshake that triggers SSL_get_ex_data_X509_STORE_CTX_idx() to return -1.
Metrics
Affected Vendors & Products
References
History
Mon, 01 Dec 2025 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:libcoap:libcoap:4.3.5:*:*:*:*:*:*:* |
Wed, 26 Nov 2025 11:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Libcoap
Libcoap libcoap |
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| Vendors & Products |
Libcoap
Libcoap libcoap |
Mon, 24 Nov 2025 19:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-129 | |
| Metrics |
cvssV3_1
|
Mon, 24 Nov 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Array index 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 DTLS handshake that triggers SSL_get_ex_data_X509_STORE_CTX_idx() to return -1. | |
| References |
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2025-11-24T18:27:33.150Z
Reserved: 2025-11-18T00:00:00.000Z
Link: CVE-2025-65499
Updated: 2025-11-24T18:27:17.528Z
Status : Analyzed
Published: 2025-11-24T14:15:47.643
Modified: 2025-12-01T16:29:53.680
Link: CVE-2025-65499
No data.