The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Aix 5.3 Openssl_advisory21 | — | — | Dec 19, 2016 | Sep 16, 2016 |
| Aix 6.1 Openssl_advisory21 | — | — | Dec 19, 2016 | Sep 16, 2016 |
| Aix 7.1 Openssl_advisory21 | — | — | Dec 19, 2016 | Sep 16, 2016 |
| Aix 7.2 Openssl_advisory21 | — | — | Dec 19, 2016 | Sep 16, 2016 |
| Alpine Linux | — | Upgrade openssl | Aug 30, 2017 | Sep 16, 2016 |
| Amazon_linux | — | Upgrade openssl | Oct 13, 2016 | Sep 16, 2016 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Sep 16, 2016 |
| Centos_linux | — | Upgrade opensslUpgrade openssl-perlUpgrade openssl-libsUpgrade openssl-develUpgrade openssl-static | Oct 21, 2016 | Sep 16, 2016 |
| Cisco Anyconnect | — | Upgrade to the latest version of Cisco Secure Client to resolve this vulnerability. | Dec 16, 2020 | Sep 16, 2016 |
| Debian | — | Upgrade openssl | Sep 22, 2016 | Sep 16, 2016 |
| Freebsd | — | Upgrade opensslUpgrade linux-c6-opensslUpgrade openssl-develUpgrade FreeBSD | Nov 14, 2016 | Sep 22, 2016 |
| Http Openssl | — | Upgrade to the latest version of OpenSSL | Sep 23, 2016 | Sep 16, 2016 |
| Huawei Euleros 2_0_sp1 | — | Upgrade opensslUpgrade openssl-libsUpgrade openssl-devel | Nov 30, 2017 | Sep 16, 2016 |
| Huawei Vrp | — | Contact Huawei TAC to request the upgrades | Apr 2, 2026 | Mar 22, 2017 |
| Ibm Aix | — | Apply the fix or workaround for openssl_advisory21 | Nov 30, 2017 | Sep 16, 2016 |
| Oracle Solaris | — | Upgrade library/security/openssl to version 1.0.1.21-0.175.3.13.0.4.0 on Solaris 11.3Upgrade database/mysql-57/embedded to version 5.7.23-0.175.3.35.0.5.0 on Solaris 11.3Upgrade database/mysql-56 to version 5.6.35-0.175.3.19.0.2.0 on Solaris 11.3Upgrade database/mysql-56/tests to version 5.6.35-0.175.3.19.0.2.0 on Solaris 11.3Upgrade database/mysql-56/library to version 5.6.35-0.175.3.19.0.2.0 on Solaris 11.3Upgrade database/mysql-55/client to version 5.5.54-0.175.3.19.0.2.0 on Solaris 11.3Upgrade database/mysql-57/library to version 5.7.23-0.175.3.35.0.5.0 on Solaris 11.3Upgrade database/mysql-56/client to version 5.6.35-0.175.3.19.0.2.0 on Solaris 11.3Upgrade runtime/perl-512 to version 5.12.5-0.175.3.19.0.2.0 on Solaris 11.3Upgrade database/mysql-55/library to version 5.5.54-0.175.3.19.0.2.0 on Solaris 11.3Upgrade library/security/openssl/openssl-fips-140 to version 2.0.6-0.175.3.13.0.4.0 on Solaris 11.3Upgrade database/mysql-55/tests to version 5.5.54-0.175.3.19.0.2.0 on Solaris 11.3Upgrade runtime/perl-threaded-512 to version 5.12.5-0.175.3.19.0.2.0 on Solaris 11.3Upgrade database/mysql-57/tests to version 5.7.23-0.175.3.35.0.5.0 on Solaris 11.3Upgrade database/mysql-57 to version 5.7.23-0.175.3.35.0.5.0 on Solaris 11.3Upgrade database/mysql-57/client to version 5.7.23-0.175.3.35.0.5.0 on Solaris 11.3Upgrade database/mysql-55 to version 5.5.54-0.175.3.19.0.2.0 on Solaris 11.3 | May 29, 2017 | Sep 16, 2016 |
| Oracle_linux | — | Upgrade openssl-perlUpgrade opensslUpgrade openssl-staticUpgrade openssl-libsUpgrade openssl-devel | Sep 27, 2016 | Aug 23, 2016 |
| Pulse Secure Pulse Connect Secure | — | Update Pulse Connect Secure to version 8.2R6Update Pulse Connect Secure to version 8.1R11Update Pulse Connect Secure to version 8.1R11.1 | Oct 28, 2020 | Sep 16, 2016 |
| Red Hat Jboss Eap | — | — | Sep 19, 2024 | Aug 23, 2016 |
| Redhat_linux | — | Upgrade openssl-develUpgrade openssl-staticUpgrade openssl-perlUpgrade openssl-libsUpgrade openssl-debuginfoUpgrade openssl | Oct 21, 2016 | Sep 16, 2016 |
| Suse | — | Upgrade openssl1Upgrade libopenssl10Upgrade libopenssl1_0_0-hmacUpgrade libopenssl-1_1-develUpgrade libopenssl1-develUpgrade libopenssl0_9_8-x86Upgrade openssl-1_0_0-docUpgrade opensslUpgrade libopenssl1_1-hmac-32bitUpgrade sles12-docker-imageUpgrade sles12sp1-docker-imageUpgrade libopenssl1_0_0-x86Upgrade libopenssl-1_0_0-develUpgrade libopenssl1_1Upgrade libopenssl1_0_0-32bitUpgrade openssl-1_1Upgrade libopenssl1_0_0Upgrade libopenssl1_1-32bitUpgrade libopenssl-1_1-devel-32bitUpgrade libopenssl0_9_8-32bitUpgrade libopenssl1_0_0-hmac-32bitUpgrade libopenssl-develUpgrade libopenssl0_9_8-hmac-32bitUpgrade openssl-docUpgrade openssl1-docUpgrade libopenssl0_9_8Upgrade libopenssl-devel-32bitUpgrade openssl-1_0_0Upgrade libopenssl1_1-hmacUpgrade libopenssl0_9_8-hmac | Sep 27, 2016 | Sep 16, 2016 |
| Ubuntu | — | Upgrade libssl1.0.0 | Sep 22, 2016 | Sep 16, 2016 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub