CVE-2014-3506

CVE-2014-3506 is a medium-severity vulnerability in Openssl with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 44% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-399.

Key facts

Description

d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via crafted DTLS handshake messages that trigger memory allocations corresponding to large length values.

Frequently asked questions

What is CVE-2014-3506?
d1_both.c in the DTLS implementation in OpenSSL 0.9.8 before 0.9.8zb, 1.0.0 before 1.0.0n, and 1.0.1 before 1.0.1i allows remote attackers to cause a denial of service (memory consumption) via crafted DTLS handshake messages that trigger memory allocations corresponding to large length values.
How severe is CVE-2014-3506?
CVE-2014-3506 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-3506 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 44% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3506?
CVE-2014-3506 primarily affects Openssl. In total, 59 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3506?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3506 published?
CVE-2014-3506 was published on 2014-08-13 and last updated on 2026-06-17.

References

Affected products (59)

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Threat intelligence

Threat-intel indicators referencing this CVE: