CVE-2014-3509

mediumpriority · track · 32EPSS 0.129 · 96 %ileDEEURUUS
grimoire priorityP1 · Urgent
Exploitable?
—
no known exploitation
Likely / severe?
12.9% (96th) EPSS
CVSS 6.8 · medium
Is it mine?
98 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.

01

cvss

Technical severity, 0–10. One row per scoring source.

6.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4
v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Psecondary · FSTEC (BDU) RU
v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:P/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (98)

Products and version ranges known to be affected.

showing 20 of 98
04

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2023-0498OpenSSL: Mehrere SchwachstellenDeutsch2014-08-06csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in OpenSSL ausnutzen, um einen Denial of Service Angriff durchzuführen, Informationen offenzulegen und eine Protokoll Downgrade Attacke durchzuführen.

05

also known as (5)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2014-08-13modified 2026-06-17
08

references (104)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan