Description
The asn1_d2i_read_bio function in crypto/asn1/a_d2i_fp.c in the ASN.1 BIO implementation in OpenSSL before 1.0.1t and 1.0.2 before 1.0.2h allows remote attackers to cause a denial of service (memory consumption) via a short invalid encoding.
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 | 1.0.2h-1 | — |
| Debian 13 | openssl | 1.0.2h-1 | — |
| Debian 12 | openssl | 1.0.2h-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 |
Show 1 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 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | compat-openssl098 | 0.9.8j-97.1 | SUSE-SU-2016:1267-1 |
| SLES 12 SP1 | openssl | 1.0.1i-47.1 | SUSE-SU-2016:1233-1 |
| SLES 12 | compat-openssl098 | 0.9.8j-97.1 | SUSE-SU-2016:1267-1 |
| SLES 12 | openssl | 1.0.1i-27.16.1 | SUSE-SU-2016:1228-1 |
| SLES 11 SP4 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2016:1290-1 |
| SLES 11 SP3 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2016:1290-1 |
| SLES 11 SP2 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2016:1290-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 11 | openssl1 | 1.0.1g-0.47.1 | SUSE-SU-2016:1206-1 |
| SUSE Studio Onsite 1.3 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2016:1290-1 |
| SLES for SAP 12 SP1 | compat-openssl098 | 0.9.8j-97.1 | SUSE-SU-2016:1267-1 |
| SLES for SAP 12 SP1 | openssl | 1.0.1i-47.1 | 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-2016:1231-1 |
| SLES for SAP 11 SP4 | openssl | 0.9.8j-0.97.1 | 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-2016:1290-1 |
| SUSE Manager Proxy 2.1 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2016:1290-1 |
| SUSE Manager 2.1 | openssl | 0.9.8j-0.97.1 | SUSE-SU-2016:1290-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | openssl-1_1 | 1.1.1l-1.2 | openSUSE-SU-2024:11127-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.8 | openssl | 1.0.2h-r0 | — |
| Alpine v3.7 | openssl | 1.0.2h-r0 | — |
| Alpine v3.6 | openssl | 1.0.2h-r0 | — |
| Alpine v3.5 | openssl | 1.0.2h-r0 | — |
| Alpine v3.4 | openssl | 1.0.2h-r0 | — |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.3 | openssl | 1.0.2h-r0 | — |
| Alpine v3.2 | openssl | 1.0.2h-r0 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | openssl +4 | 1:1.0.1e-51.el7_2.5 | ELSA-2016-0722 |
Advisories 18
- RHSA-2016:2073 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-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-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
- WID-SEC-2026-0180 Dell Data Protection Advisor: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jan 20, 2026
- openSUSE-SU-2024:11127-1 libopenssl-1_1-devel-1.1.1l-1.2 on GA media SUSE / openSUSE Security Updates · May 7, 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
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
- SSA:2016-124-01 vendor-advisory
- RHSA-2016:2056 vendor-advisory
- openSUSE-SU-2016:1238 vendor-advisory
- openSUSE-SU-2016:1242 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- 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
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- DSA-3566 vendor-advisory
- 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
- https://kc.mcafee.com/corporate/index?page=content&id=SB10160
- openSUSE-SU-2016:1243 vendor-advisory
- https://source.android.com/security/bulletin/2017-07-01
- GLSA-201612-16 vendor-advisory
- SUSE-SU-2016:1228 vendor-advisory
- 1035721 vdb-entry
- openSUSE-SU-2016:1239 vendor-advisory
- SUSE-SU-2016:1206 vendor-advisory
- 20160504 Multiple Vulnerabilities in OpenSSL Affecting Cisco Products: May 2016 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- SUSE-SU-2016:1231 vendor-advisory
- 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
- openSUSE-SU-2016:1240 vendor-advisory
- 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
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
- SUSE-SU-2016:1233 vendor-advisory
- openSUSE-SU-2016:1237 vendor-advisory
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40202
- RHSA-2016:0996 vendor-advisory
- https://security.netapp.com/advisory/ntap-20160504-0001/
- https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=c62981390d6cf9e3d612c489b8b77c2913b25807
- 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
- 87940 vdb-entry
- RHSA-2016:0722 vendor-advisory
- FreeBSD-SA-16:17 vendor-advisory
- https://www.openssl.org/news/secadv/20160503.txt
- https://support.apple.com/HT206903
- https://bto.bluecoat.com/security-advisory/sa123
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf