Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | openssl | 1.0.2c-1 | — |
| Debian 13 | openssl | 1.0.2c-1 | — |
| Debian 12 | openssl | 1.0.2c-1 | — |
| Debian 8 | openssl | 1.0.1k-3+deb8u5 | DSA-3566-1 |
| Debian 7 | openssl | 1.0.1e-2+deb7u21 | DLA-456-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | openssl | 1.0.2g-1ubuntu4.1 | USN-2959-1 |
| Ubuntu 14.04 LTS | openssl | 1.0.1f-1ubuntu2.19 | USN-2959-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | openssl +4 | 1:1.0.1e-51.el7_2.5 | RHSA-2016:0722 |
| RHEL 6 | openssl +3 | 1.0.1e-48.el6_8.1 | RHSA-2016:0996 |
| RHEL 5 | openssl +2 | 0.9.8e-40.el5_11 | RHSA-2016:1137 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.7 EUS | openssl +3 | 1.0.1e-42.el6_7.5 | RHSA-2016:2073 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +8 | 2.4.23-102.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_auth_kerb | 5.4-35.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_bmx +1 | 0.9.6-14.GA.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_cluster-native +1 | 1.3.5-13.Final_redhat_1.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_jk +3 | 1.2.41-14.redhat_1.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_rt +1 | 2.4.1-16.GA.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_security +1 | 2.9.1-18.GA.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.23-102.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-nghttp2 | 1.12.0-9.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl +4 | 1:1.0.2h-12.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | compat-openssl098 | 0.9.8j-105.1 | SUSE-SU-2017:0605-1 |
| SLES 12 SP1 | compat-openssl098 | 0.9.8j-97.1 | SUSE-SU-2017:0605-1, SUSE-SU-2016:1267-1 |
| SLES 12 SP1 | openssl | 1.0.1i-47.1 | SUSE-SU-2017:0461-1, SUSE-SU-2016:1233-1 |
| SLES 12 | compat-openssl098 | 0.9.8j-97.1 | SUSE-SU-2017:0605-1, SUSE-SU-2016:1267-1 |
| SLES 12 | openssl | 1.0.1i-27.16.1 | SUSE-SU-2018:0112-1, SUSE-SU-2016:1228-1 |
| SLES 11 SP4 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2017:0585-1, SUSE-SU-2016:1290-1 |
| SLES 11 SP3 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2017:0585-1, SUSE-SU-2016:1290-1 |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 SP2 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2016:1290-1 |
| SLES 11 | openssl1 | 1.0.1g-0.47.1 | SUSE-SU-2017:0495-1, SUSE-SU-2016:1206-1 |
| SUSE Studio Onsite 1.3 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2017:0585-1, SUSE-SU-2016:1290-1 |
| SLES for SAP 12 SP2 | compat-openssl098 | 0.9.8j-105.1 | SUSE-SU-2017:0605-1 |
| SLES for SAP 12 SP1 | compat-openssl098 | 0.9.8j-97.1 | SUSE-SU-2017:0605-1, SUSE-SU-2016:1267-1 |
| SLES for SAP 12 SP1 | openssl | 1.0.1i-47.1 | SUSE-SU-2017:0461-1, SUSE-SU-2016:1233-1 |
| SLES for SAP 12 | openssl | 1.0.1i-27.16.1 | SUSE-SU-2016:1228-1 |
| SLES for SAP 11 SP4 | compat-openssl097g | 0.9.7g-146.22.44.1 | SUSE-SU-2017:0601-1, SUSE-SU-2016:1231-1 |
| SLES for SAP 11 SP4 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2017:0585-1, SUSE-SU-2016:1290-1 |
| SLES for SAP 11 SP3 | compat-openssl097g | 0.9.7g-146.22.44.1 | SUSE-SU-2016:1231-1 |
| SUSE OpenStack Cloud 5 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2017:0585-1, SUSE-SU-2016:1290-1 |
| SUSE Manager Proxy 2.1 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2017:0585-1, SUSE-SU-2016:1290-1 |
| SUSE Manager 2.1 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2017:0585-1, SUSE-SU-2016:1290-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | openssl | 0.9.8j-0.105.1 | SUSE-SU-2017:0585-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | openssl +4 | 1:1.0.1e-51.el7_2.5 | ELSA-2016-0722 |
Advisories 28
- WID-SEC-2026-4000 Google Android: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 15, 2026
- RHSA-2017:0193 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 6 Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2017:0194 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 7 Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2016:2073 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2016:1137 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2016:0722 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2016:0996 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- USN-2959-1 openssl vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-456-1 openssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3566-1 openssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2016:1228-1 Security update for openssl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0112-1 Security update for openssl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1267-1 Security update for compat-openssl098 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1233-1 Security update for openssl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1206-1 Security update for openssl1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0461-1 Security update for openssl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1231-1 Security update for compat-openssl097g SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2016:1290-1 Security update for openssl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0495-1 Security update for openssl1 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0601-1 Security update for compat-openssl097g SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0585-1 Security update for openssl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0605-1 Security update for compat-openssl098 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2026-0180 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 20, 2026
- WID-SEC-2025-1426 Google Android: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 30, 2025
- WID-SEC-2024-0215 OpenSSL: Mehrere Schwachstellen BSI CERT-Bund (WID) · Aug 28, 2024
- ICSA-22-349-21 Siemens SCALANCE X-200RNA Switch Devices CISA ICS & IT advisories · Dec 13, 2022
- SSA-412672 SSA-412672: Multiple OpenSSL and OpenSSH Vulnerabilities in SCALANCE X-200RNA Switch Devices before V3.2.7 Siemens ProductCERT · Dec 13, 2022
- ELSA-2016-0722 Important: openssl security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 9, 2016
References
- SSA:2016-124-01 vendor-advisory
- RHSA-2016:2056 vendor-advisory
- openSUSE-SU-2016:1238 vendor-advisory
- openSUSE-SU-2016:1242 vendor-advisory
- SUSE-SU-2016:1267 vendor-advisory
- RHSA-2016:2073 vendor-advisory
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03765en_us
- DSA-3566 vendor-advisory
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbgn03726en_us
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://packetstormsecurity.com/files/136912/Slackware-Security-Advisory-openssl-Updates.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- openSUSE-SU-2016:1243 vendor-advisory
- GLSA-201612-16 vendor-advisory
- SUSE-SU-2016:1228 vendor-advisory
- 1035721 vdb-entry
- http://support.citrix.com/article/CTX212736
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=f5da52e308a6aeea6d5f3df98c4da295d7e9cc27
- openSUSE-SU-2016:1239 vendor-advisory
- SUSE-SU-2016:1206 vendor-advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05149345
- FEDORA-2016-1e39d934ed vendor-advisory
- 20160504 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: May 2016 vendor-advisory
- SUSE-SU-2016:1231 vendor-advisory
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=3661bb4e7934668bd99ca777ea8b30eedfafa871
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03756en_us
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- FEDORA-2016-1411324654 vendor-advisory
- openSUSE-SU-2016:1240 vendor-advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05164862
- openSUSE-SU-2016:1241 vendor-advisory
- APPLE-SA-2016-07-18-1 vendor-advisory
- SUSE-SU-2016:1360 vendor-advisory
- https://www.tenable.com/security/tns-2016-18
- SUSE-SU-2016:1233 vendor-advisory
- RHSA-2017:0194 vendor-advisory
- http://source.android.com/security/bulletin/2016-07-01.html
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05386804
- RHSA-2017:0193 vendor-advisory
- openSUSE-SU-2016:1237 vendor-advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40202
- RHSA-2016:0996 vendor-advisory
- https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00067&languageid=en-fr
- https://security.netapp.com/advisory/ntap-20160504-0001/
- 91787 vdb-entry
- SUSE-SU-2016:1290 vendor-advisory
- openSUSE-SU-2016:1273 vendor-advisory
- RHSA-2016:2957 vendor-advisory
- USN-2959-1 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- RHSA-2016:0722 vendor-advisory
- https://www.openssl.org/news/secadv/20160503.txt
- https://support.apple.com/HT206903
- https://bto.bluecoat.com/security-advisory/sa123
- 89752 vdb-entry
- FEDORA-2016-05c567df1a vendor-advisory
- RHSA-2016:1137 vendor-advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf