The fmtstr function in crypto/bio/b_print.c in OpenSSL 1.0.1 before 1.0.1s and 1.0.2 before 1.0.2g improperly calculates string lengths, which allows remote attackers to cause a denial of service (overflow and out-of-bounds read) or possibly have unspecified other impact via a long string, as demonstrated by a large amount of ASN.1 data, a different vulnerability than CVE-2016-2842.
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_advisory18 | — | — | Aug 5, 2016 | Mar 3, 2016 |
| Aix 6.1 Openssl_advisory18 | — | — | Aug 5, 2016 | Mar 3, 2016 |
| Aix 7.1 Openssl_advisory18 | — | — | Aug 5, 2016 | Mar 3, 2016 |
| Aix 7.2 Openssl_advisory18 | — | — | Aug 5, 2016 | Mar 3, 2016 |
| Alpine Linux | — | Upgrade openssl | Aug 30, 2017 | Mar 3, 2016 |
| Amazon_linux | — | Upgrade openssl | Apr 20, 2016 | Mar 3, 2016 |
| Centos_linux | — | Upgrade opensslUpgrade openssl-develUpgrade openssl-staticUpgrade openssl-libsUpgrade openssl-perl | Jul 6, 2016 | Mar 3, 2016 |
| Cisco Anyconnect | — | Upgrade to the latest version of Cisco Secure Client to resolve this vulnerability. | Dec 16, 2020 | Mar 3, 2016 |
| Cisco Asa | — | Upgrade to Cisco ASA version 9.3(3.11)Upgrade to Cisco ASA version 9.7(0.99)Upgrade to Cisco ASA version 9.2(4.11)Upgrade to Cisco ASA version 9.1(7.7)Upgrade to Cisco ASA version 9.4(3.2)Upgrade to Cisco ASA version 9.0(4.41)Upgrade to Cisco ASA version 9.5(2.12)Upgrade to Cisco ASA version 9.6(1.99) | Feb 9, 2017 | Mar 3, 2016 |
| Debian | — | Upgrade openssl | Mar 3, 2016 | Mar 1, 2016 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Mar 25, 2016 |
| Freebsd | — | Upgrade FreeBSD | Dec 10, 2025 | Aug 11, 2016 |
| Gentoo Linux | — | Upgrade dev-libs/openssl. | Oct 30, 2017 | Mar 3, 2016 |
| Hpsmh | — | Upgrade to the latest version of HP System Management Homepage | Oct 26, 2016 | Mar 3, 2016 |
| Http Openssl | — | Upgrade to the latest version of OpenSSL | Mar 3, 2016 | Mar 3, 2016 |
| Huawei Euleros 2_0_sp5 | — | Upgrade openssl098e | Nov 19, 2019 | Mar 3, 2016 |
| Ibm Aix | — | Apply the fix or workaround for openssl_advisory18 | Nov 30, 2017 | Mar 3, 2016 |
| Oracle Solaris | — | Upgrade library/security/openssl to version 1.0.1.19-0.175.3.7.0.1.0 on Solaris 11.3Upgrade library/security/openssl/openssl-fips-140 to version 2.0.6-0.175.3.7.0.1.0 on Solaris 11.3 | May 29, 2017 | Mar 3, 2016 |
| Oracle_linux | — | Upgrade openssl-perlUpgrade opensslUpgrade openssl-fips-develUpgrade openssl-develUpgrade openssl-staticUpgrade openssl-fips-perlUpgrade openssl-fips-staticUpgrade openssl-fipsUpgrade openssl-libs | May 9, 2016 | Mar 3, 2016 |
| Pulse Secure Pulse Connect Secure | — | Update Pulse Connect Secure to version 8.0R16Update Pulse Connect Secure to version 7.4R13.7Update Pulse Connect Secure to version 8.2R3Update Pulse Connect Secure to version 8.1R10 | Oct 28, 2020 | Mar 3, 2016 |
| Redhat_linux | — | Upgrade openssl-staticNo solution existsUpgrade openssl-debuginfoUpgrade openssl-perlUpgrade openssl-develUpgrade openssl-libsUpgrade openssl | Oct 6, 2017 | Mar 3, 2016 |
| Suse | — | Upgrade libopenssl1_0_0-x86Upgrade opensslUpgrade compat-openssl097g-32bitUpgrade libopenssl0_9_8-hmacUpgrade sles12-docker-imageUpgrade compat-openssl097gUpgrade libopenssl1_0_0-hmacUpgrade openssl1Upgrade libopenssl1_0_0-hmac-32bitUpgrade libopenssl0_9_8-hmac-32bitUpgrade libopenssl-1_0_0-develUpgrade openssl-docUpgrade libopenssl0_9_8-32bitUpgrade sles11sp4-docker-imageUpgrade openssl-1_0_0Upgrade libopenssl0_9_8Upgrade openssl-1_0_0-docUpgrade libopenssl1_0_0-32bitUpgrade openssl1-docUpgrade libopenssl1-develUpgrade libopenssl0_9_8-x86Upgrade libopenssl-develUpgrade libopenssl1_0_0Upgrade sles12sp1-docker-image | Mar 3, 2016 | Mar 1, 2016 |
| Ubuntu | — | Upgrade libssl1.0.0 | Mar 3, 2016 | Mar 1, 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