NULL pointer dereference in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection that triggers BIO_get_data() to return NULL.
Metrics
Affected Vendors & Products
References
History
Mon, 01 Dec 2025 17:45:00 +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 15:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-476 | |
| Metrics |
cvssV3_1
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Mon, 24 Nov 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | NULL pointer dereference in src/coap_openssl.c in OISM libcoap 4.3.5 allows remote attackers to cause a denial of service via a crafted DTLS/TLS connection that triggers BIO_get_data() to return NULL. | |
| References |
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Status: PUBLISHED
Assigner: mitre
Published: 2025-11-24T00:00:00.000Z
Updated: 2025-11-24T14:53:58.026Z
Reserved: 2025-11-18T00:00:00.000Z
Link: CVE-2025-65493
Updated: 2025-11-24T14:52:55.860Z
Status : Analyzed
Published: 2025-11-24T14:15:46.743
Modified: 2025-12-01T17:38:08.560
Link: CVE-2025-65493
No data.