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 openssl-develUpgrade opensslUpgrade openssl-perlUpgrade openssl-libsUpgrade openssl-static | 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 9.2(4.11)Upgrade to Cisco ASA version 9.7(0.99)Upgrade to Cisco ASA version 9.1(7.7)Upgrade to Cisco ASA version 9.3(3.11)Upgrade to Cisco ASA version 9.4(3.2)Upgrade to Cisco ASA version 9.6(1.99)Upgrade to Cisco ASA version 9.0(4.41)Upgrade to Cisco ASA version 9.5(2.12) | 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-fips-perlUpgrade openssl-fips-develUpgrade openssl-develUpgrade openssl-fips-staticUpgrade openssl-staticUpgrade openssl-fipsUpgrade openssl-libsUpgrade openssl-perlUpgrade openssl | May 9, 2016 | Mar 3, 2016 |
| Pulse Secure Pulse Connect Secure | — | Update Pulse Connect Secure to version 7.4R13.7Update Pulse Connect Secure to version 8.0R16Update Pulse Connect Secure to version 8.1R10Update Pulse Connect Secure to version 8.2R3 | Oct 28, 2020 | Mar 3, 2016 |
| Redhat_linux | — | Upgrade openssl-debuginfoNo solution existsUpgrade openssl-perlUpgrade openssl-libsUpgrade openssl-develUpgrade openssl-staticUpgrade openssl | Oct 6, 2017 | Mar 3, 2016 |
| Suse | — | Upgrade libopenssl-develUpgrade libopenssl1_0_0-32bitUpgrade libopenssl0_9_8-32bitUpgrade libopenssl1-develUpgrade libopenssl-1_0_0-develUpgrade libopenssl0_9_8-x86Upgrade openssl-docUpgrade openssl1-docUpgrade sles12sp1-docker-imageUpgrade libopenssl1_0_0Upgrade openssl-1_0_0-docUpgrade libopenssl0_9_8Upgrade libopenssl1_0_0-hmac-32bitUpgrade sles11sp4-docker-imageUpgrade openssl-1_0_0Upgrade libopenssl0_9_8-hmac-32bitUpgrade sles12-docker-imageUpgrade compat-openssl097g-32bitUpgrade opensslUpgrade libopenssl0_9_8-hmacUpgrade libopenssl1_0_0-x86Upgrade compat-openssl097gUpgrade openssl1Upgrade libopenssl1_0_0-hmac | Mar 3, 2016 | Mar 1, 2016 |
| Ubuntu | — | Upgrade libssl1.0.0 | Mar 3, 2016 | Mar 1, 2016 |
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