Description
The X509_cmp_time function in crypto/x509/x509_vfy.c in OpenSSL before 0.9.8zg, 1.0.0 before 1.0.0s, 1.0.1 before 1.0.1n, and 1.0.2 before 1.0.2b allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted length field in ASN1_TIME data, as demonstrated by an attack against a server that supports client authentication with a custom verification callback.
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 | 1.0.2b-1 | — |
| Debian 13 | openssl | 1.0.2b-1 | — |
| Debian 12 | openssl | 1.0.2b-1 | — |
| Debian 8 | openssl | 1.0.1k-3+deb8u1 | DSA-3287-1 |
| Debian 7 | openssl | 1.0.1e-2+deb7u17 | DSA-3287-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | openssl | 0.9.8o-4squeeze21 | DLA-247-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | openssl | 1.0.1f-1ubuntu2.15 | USN-2639-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | openssl +4 | 1:1.0.1e-42.ael7b_1.8 | RHSA-2015:1115 |
| RHEL 6 | openssl +3 | 1.0.1e-30.el6_6.11 | RHSA-2015:1115 |
| RHEL 5 | openssl +2 | 0.9.8e-36.el5_11 | RHSA-2015:1197 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP1 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES 12 SP1 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES 12 | compat-openssl098 | 0.9.8j-78.1 | SUSE-SU-2015:1150-1 |
| SLES 12 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES 12 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES 12 | openssl | 1.0.1i-25.1 | SUSE-SU-2015:1143-1 |
| SLES 11 SP4 | mysql | 5.5.46-0.14.1 | SUSE-SU-2015:2303-1 |
| SLES 11 SP3 | mysql | 5.5.46-0.14.1 | SUSE-SU-2015:2303-1 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP1 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES for SAP 12 SP1 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES for SAP 12 | libqt4 +1 | 4.8.6-7.1 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES for SAP 12 | libqt4-devel-doc | 4.8.6-7.3 | SUSE-SU-403 Forbidden-1, SUSE-SU-403 |
| SLES for SAP 12 | openssl | 1.0.1i-25.1 | SUSE-SU-2015:1143-1 |
| SLES for SAP 11 SP4 | mysql | 5.5.46-0.14.1 | SUSE-SU-2015:2303-1 |
| SLES for SAP 11 SP3 | mysql | 5.5.46-0.14.1 | SUSE-SU-2015:2303-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libressl | 2.5.0-1.1 | openSUSE-SU-2024:10309-1 |
| openSUSE Tumbleweed | openssl-1_1 | 1.1.1l-1.2 | openSUSE-SU-2024:11127-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | openssl +4 | 1:1.0.1e-42.el7_1.8 | ELSA-2015-1115 |
Advisories 16
- RHSA-2015:1115 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2015:1197 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- USN-2639-1 openssl vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-247-1 openssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3287-1 openssl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10309-1 libcrypto38-2.5.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-403 Forbidden-1 Security update for OpenSSL SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:2303-1 Security update for mysql SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1143-1 Security update for openssl SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-403 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
- SUSE-SU-2015:1150-1 Security update for compat-openssl098 SUSE / openSUSE Security Updates · May 2, 2025
- 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-2015-1115 Moderate: openssl security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jun 15, 2015
References
- SUSE-SU-2015:1184 vendor-advisory
- SSRT102180 vendor-advisory
- DSA-3287 vendor-advisory
- SUSE-SU-2015:1150 vendor-advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10122
- SUSE-SU-2015:1183 vendor-advisory
- https://github.com/openssl/openssl/commit/f48b83b4fb7d6689584cf25f61ca63a4891f5b11
- http://fortiguard.com/advisory/openssl-vulnerabilities-june-2015
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667
- HPSBMU03409 vendor-advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05353965
- https://openssl.org/news/secadv/20150611.txt
- RHSA-2015:1115 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- RHSA-2015:1197 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html
- SUSE-SU-2015:1182 vendor-advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
- SUSE-SU-2015:1143 vendor-advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05184351
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
- openSUSE-SU-2016:0640 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- 1032564 vdb-entry
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
- http://www.fortiguard.com/advisory/2015-06-11-fortinet-vulnerability-openssl-vulnerabilities-june-2015
- FEDORA-2015-10108 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- 20150612 Multiple Vulnerabilities in OpenSSL (June 2015) Affecting Cisco Products vendor-advisory
- openSUSE-SU-2015:1277 vendor-advisory
- SUSE-SU-2015:1181 vendor-advisory
- APPLE-SA-2015-08-13-2 vendor-advisory
- USN-2639-1 vendor-advisory
- http://www.fortiguard.com/advisory/openssl-vulnerabilities-june-2015
- GLSA-201506-02 vendor-advisory
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05131044
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- 91787 vdb-entry
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05045763
- FEDORA-2015-10047 vendor-advisory
- 75156 vdb-entry
- https://support.apple.com/kb/HT205031
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- https://support.citrix.com/article/CTX216642
- SUSE-SU-2015:1185 vendor-advisory
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10694
- openSUSE-SU-2015:1139 vendor-advisory
- https://bto.bluecoat.com/security-advisory/sa98
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10733
- NetBSD-SA2015-008 vendor-advisory
- https://www.openssl.org/news/secadv_20150611.txt
- HPSBGN03371 vendor-advisory
- https://www.arista.com/en/support/advisories-notices/security-advisories/1144-security-advisory-11
- https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf