OpenSSL

Category - Web Server Extensions

OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.


We have discovered  1,106,449 live websites   that are using OpenSSL.

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Technology usage statistics

Websites using OpenSSL1,106,449 websites
Most popular in the country United States
Market position in Web Server Extensions#1
Market penetration in Web Server Extensions54.09%
Most popular version1.0.2

Technology adoption

Recent changes in OpenSSL usage. (See OpenSSL Usage Changes report)
Websites that added OpenSSL+43,858
Websites that dropped OpenSSL-46,145
Websites that changed version of OpenSSL13,117

Security vulnerabilites


PublishedCVEWebsites
Jan, 2024POLY1305 MAC implementation corrupts vector registers on PowerPC36,684
Oct, 2023Incorrect cipher key & IV length processing35,048
Jul, 2023AES-SIV implementation ignores empty associated data entries30,487
Apr, 2023Input buffer over-read in AES-XTS implementation on 64 bit ARM24,826
Feb, 2023X.509 Name Constraints Read Buffer Overflow19,072
Feb, 2023Invalid pointer dereference in d2i_PKCS7 functions19,072
Feb, 2023NULL dereference validating DSA public key19,072
Feb, 2023NULL dereference during PKCS7 data verification19,072
Dec, 2022X.509 Policy Constraints Double Locking19,072
Nov, 2022X.509 Email Address Variable Length Buffer Overflow3,635

OpenSSL usage distribution by website rank

The correlation between utilization of OpenSSL technology and the relative popularity of websites

Geographical Distribution

Technology usage distribution by websites across the globe.



Websites utilizing OpenSSL

Top websites that use OpenSSL
DomainCountryRankContacts
brokerage.domainbrokers.se Sweden900
ryze.com United States931
www.ryze.com United States931
parking2.parklogic.com Singapore1,076
phoca.cz Czech Republic1,186
www.phoca.cz Czech Republic1,186
See full domain list

Alternative Technologies


Google PageSpeed: Total 710,763 domains found using Google PageSpeed
mod_fcgid: Total 382,557 domains found using mod_fcgid
mod_pagespeed: Total 158,274 domains found using mod_pagespeed
mod_aclr: Total 93,018 domains found using mod_aclr
mod_ssl: Total 88,377 domains found using mod_ssl
WebDAV: Total 70,522 domains found using WebDAV
mod_bwlimited: Total 58,053 domains found using mod_bwlimited
mod_perl: Total 53,822 domains found using mod_perl
mod_gzip: Total 50,405 domains found using mod_gzip
mod_dav: Total 35,513 domains found using mod_dav





Major Versions

  • 0.xx (8 subversions, 39,480 domains)
  • 1.xx (5 subversions, 1,011,936 domains)
  • 3.xx (17 subversions, 38,351 domains)