CVE-2016-6305

7.5 HIGH
Published: September 26, 2016 Modified: May 06, 2026
View on NVD

Description

The ssl3_read_bytes function in record/rec_layer_s3.c in OpenSSL 1.1.0 before 1.1.0a allows remote attackers to cause a denial of service (infinite loop) by triggering a zero-length record in an SSL_peek call.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/93149
Source: secalert@redhat.com
https://github.com/openssl/openssl/issues/1563
Source: secalert@redhat.com
Exploit Issue Tracking
https://www.openssl.org/news/secadv/20160922.txt
Source: secalert@redhat.com
Vendor Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
Source: af854a3a-2127-422b-91ae-364da2661108
http://www-01.ibm.com/support/docview.wss?uid=swg21995039
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/93149
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id/1036879
Source: af854a3a-2127-422b-91ae-364da2661108
https://bto.bluecoat.com/security-advisory/sa132
Source: af854a3a-2127-422b-91ae-364da2661108
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://github.com/openssl/openssl/issues/1563
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Issue Tracking
https://security.gentoo.org/glsa/201612-16
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.openssl.org/news/secadv/20160922.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://www.tenable.com/security/tns-2016-16
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.tenable.com/security/tns-2016-20
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.tenable.com/security/tns-2016-21
Source: af854a3a-2127-422b-91ae-364da2661108

36 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
16.0%
96th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

openssl