CVE-2025-65495

n/a / n/a PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
n/a / n/a	affected n/a

CWE

No CWE identifiers supplied.

References

https://github.com/obgm/libcoap/issues/1744
https://github.com/obgm/libcoap/pull/1750

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.