The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denial of service (buffer underflow and memory corruption) via an ANY field in crafted serialized data, aka the "negative zero" issue.
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Aix 5.3 Openssl_advisory20 | — | — | Dec 19, 2016 | May 4, 2016 |
| Aix 6.1 Openssl_advisory20 | — | — | Dec 19, 2016 | May 4, 2016 |
| Aix 7.1 Openssl_advisory20 | — | — | Dec 19, 2016 | May 4, 2016 |
| Aix 7.2 Openssl_advisory20 | — | — | Dec 19, 2016 | May 4, 2016 |
| Amazon_linux | — | Upgrade openssl | May 3, 2016 | May 3, 2016 |
| Apple Osx Libressl | — | Upgrade macOS to the latest version | Nov 11, 2016 | May 4, 2016 |
| Apple Osx Openssl | — | Upgrade macOS to the latest version | Nov 11, 2016 | May 4, 2016 |
| Centos_linux | — | Upgrade openssl-develUpgrade openssl-staticUpgrade opensslUpgrade openssl-libsUpgrade openssl-perl | May 31, 2016 | May 4, 2016 |
| Cisco Anyconnect | — | Upgrade to the latest version of Cisco Secure Client to resolve this vulnerability. | Dec 16, 2020 | May 5, 2016 |
| Cisco Asa | — | Upgrade to Cisco ASA version 9.6(1.99)Upgrade to Cisco ASA version 9.5(2.12)Upgrade to Cisco ASA version 9.4(3.2)Upgrade to Cisco ASA version 9.3(3.11)Upgrade to Cisco ASA version 9.1(7.7)Upgrade to Cisco ASA version 9.0(4.41)Upgrade to Cisco ASA version 9.7(0.99)Upgrade to Cisco ASA version 9.2(4.11) | Feb 9, 2017 | May 4, 2016 |
| Cisco Ise | — | — | Oct 21, 2025 | May 4, 2016 |
| Debian | — | Upgrade openssl | May 3, 2016 | May 3, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | May 19, 2016 |
| Freebsd | — | Upgrade libressl-develUpgrade linux-c6-opensslUpgrade opensslUpgrade FreeBSDUpgrade libressl | Dec 10, 2025 | May 3, 2016 |
| Gentoo Linux | — | Upgrade dev-libs/openssl. | Oct 30, 2017 | May 4, 2016 |
| Http Openssl | — | Upgrade to the latest version of OpenSSL | May 5, 2016 | May 5, 2016 |
| Huawei Euleros 2_0_sp2 | — | Upgrade openssl098e | Sep 12, 2019 | May 5, 2016 |
| Ibm Aix | — | Apply the fix or workaround for openssl_advisory20 | Nov 30, 2017 | May 4, 2016 |
| Oracle Solaris | — | Upgrade library/security/openssl/openssl-fips-140 to version 2.0.6-0.175.3.9.0.1.0 on Solaris 11.3Upgrade library/security/openssl to version 1.0.1.20-0.175.3.9.0.1.0 on Solaris 11.3 | May 29, 2017 | May 4, 2016 |
| Oracle_linux | — | Upgrade openssl-fipsUpgrade openssl-fips-staticUpgrade openssl-staticUpgrade opensslUpgrade openssl-fips-perlUpgrade openssl-fips-develUpgrade openssl-develUpgrade openssl-perlUpgrade openssl-libs | May 9, 2016 | May 3, 2016 |
| Panos | — | Upgrade PAN-OS 7.0 to the latest versionUpdate PAN-OS 6.1 to the latest workaround for your deviceUpdate PAN-OS 7.1 to the latest workaround for your deviceUpdate PAN-OS 6.0 to the latest workaround for your device | Oct 12, 2016 | May 4, 2016 |
| Pulse Secure Pulse Connect Secure | — | Update Pulse Connect Secure to version 8.2R4Update Pulse Connect Secure to version 5.2R7Update Pulse Connect Secure to version 8.0R16Update Pulse Connect Secure to version 7.4R13.7Update Pulse Connect Secure to version 8.1R10Update Pulse Connect Secure to version 8.2R5 | Oct 28, 2020 | May 5, 2016 |
| Red Hat Jboss Eap | — | Upgrade Red Hat JBoss EAP to the latest version | Sep 19, 2024 | May 3, 2016 |
| Redhat_linux | — | Upgrade openssl-libsUpgrade openssl-develUpgrade openssl-perlUpgrade openssl-debuginfoNo solution existsUpgrade openssl-staticUpgrade openssl | Jun 1, 2016 | May 4, 2016 |
| Suse | — | Upgrade opensslUpgrade libopenssl0_9_8Upgrade sles12sp1-docker-imageUpgrade compat-openssl097gUpgrade libopenssl0_9_8-x86Upgrade libopenssl1_0_0-hmacUpgrade openssl-docUpgrade libopenssl1_0_0Upgrade libopenssl1_0_0-32bitUpgrade openssl1Upgrade libopenssl1_0_0-x86Upgrade libopenssl1-develUpgrade sles12-docker-imageUpgrade compat-openssl097g-32bitUpgrade libopenssl1_0_0-hmac-32bitUpgrade openssl1-docUpgrade libopenssl-devel-32bitUpgrade libopenssl0_9_8-hmac-32bitUpgrade libopenssl0_9_8-hmacUpgrade libopenssl0_9_8-32bitUpgrade libopenssl-devel | May 3, 2016 | May 3, 2016 |
| Ubuntu | — | Upgrade libssl1.0.0 | May 3, 2016 | May 3, 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