Description
OpenSSL before 0.9.8y, 1.0.0 before 1.0.0k, and 1.0.1 before 1.0.1d does not properly perform signature verification for OCSP responses, which allows remote OCSP servers to cause a denial of service (NULL pointer dereference and application crash) via an invalid key.
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 | 1.0.1e-1 | — |
| Debian 13 | openssl | 1.0.1e-1 | — |
| Debian 12 | openssl | 1.0.1e-1 | — |
| Debian 6.0 | openssl | 0.9.8o-4squeeze14 | DSA-2621-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | openssl098 | 0.9.8o-7ubuntu3.2.14.04.1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | openssl +3 | 1.0.0-27.el6_4.2 | RHSA-2013:0587 |
| RHEL 6 | rhev-hypervisor6 | 6.4-20130306.2.el6_4 | RHSA-2013:0636 |
| RHEL 5 | openssl +2 | 0.9.8e-26.el5_9.1 | RHSA-2013:0587 |
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 | 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 |
Show 2 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 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | openssl-1_1 | 1.1.1l-1.2 | openSUSE-SU-2024:11127-1 |
Advisories 7
- RHSA-2013:0636 Red Hat Security Advisory: rhev-hypervisor6 security and bug fix update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2013:0587 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- DSA-2621-1 openssl - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-403 Forbidden-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
References
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=66e8211c0b1347970096e04b18aa52567c325200
- RHSA-2013:0587 vendor-advisory
- oval:org.mitre.oval:def:19360 vdb-entry signature
- 55139 third-party-advisory
- http://www.openssl.org/news/secadv_20130204.txt
- https://bugzilla.redhat.com/show_bug.cgi?id=908052
- HPSBUX02856 vendor-advisory
- SSRT101289 vendor-advisory
- openSUSE-SU-2016:0640 vendor-advisory
- SSRT101108 vendor-advisory
- RHSA-2013:0833 vendor-advisory
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-c03883001
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=62e4506a7d4cec1c8e1ff687f6b220f6a62a57c7
- 53623 third-party-advisory
- VU#737740 third-party-advisory
- DSA-2621 vendor-advisory
- RHSA-2013:0783 vendor-advisory
- APPLE-SA-2013-09-12-1 vendor-advisory
- 55108 third-party-advisory
- RHSA-2013:0782 vendor-advisory
- SUSE-SU-2015:0578 vendor-advisory
- http://www.splunk.com/view/SP-CAAAHXG
- oval:org.mitre.oval:def:19487 vdb-entry signature
- oval:org.mitre.oval:def:18754 vdb-entry signature
- http://support.apple.com/kb/HT5880
- oval:org.mitre.oval:def:19081 vdb-entry signature
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=ebc71865f0506a293242bd4aec97cdc7a8ef24b0