A AegiFlow
HIGHCVSS 7.5

CVE-2025-65495

CVE-2025-65495 updated by NVD

Modified
2026-11-06
Sources
nvd

Summary

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.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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