Description
The ssl3_take_mac function in ssl/s3_both.c in OpenSSL 1.0.1 before 1.0.1f allows remote TLS servers to cause a denial of service (NULL pointer dereference and application crash) via a crafted Next Protocol Negotiation record in a TLS handshake.
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 | 1.0.1f-1 | — |
| Debian 13 | openssl | 1.0.1f-1 | — |
| Debian 12 | openssl | 1.0.1f-1 | — |
| Debian 7 | openssl | 1.0.1e-2+deb7u3 | DSA-2837-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | openssl +3 | 1.0.1e-16.el6_5.4 | RHSA-2014:0015 |
| RHEL 6 | rhev-hypervisor6 | 6.5-20140112.0.el6ev | RHSA-2014:0041 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Rhev Manager 3 | rhevm-spice-client +4 | 3.3-12.el6_5 | RHSA-2014:0416 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | openssl-1_1 | 1.1.1l-1.2 | openSUSE-SU-2024:11127-1 |
Advisories 6
- RHSA-2014:0416 Red Hat Security Advisory: rhevm-spice-client security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2014:0041 Red Hat Security Advisory: rhev-hypervisor6 security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- RHSA-2014:0015 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- DSA-2837-1 openssl - programming error Debian Security (DSA / DLA) · Mar 9, 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-2023-0503 OpenSSL: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Feb 27, 2023
References
- http://www.splunk.com/view/SP-CAAAMB3
- DSA-2837 vendor-advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg400001843
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=blob_plain%3Bf=CHANGES%3Bhb=refs/heads/OpenSSL_1_0_1-stable
- FEDORA-2014-9308 vendor-advisory
- http://www-01.ibm.com/support/docview.wss?uid=isg400001841
- USN-2079-1 vendor-advisory
- RHSA-2014:0015 vendor-advisory
- openSUSE-SU-2014:0099 vendor-advisory
- http://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=197e0ea817ad64820789d86711d55ff50d71f631
- FEDORA-2014-9301 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1049058
- RHSA-2014:0041 vendor-advisory
- http://www.openssl.org/news/vulnerabilities.html
- openSUSE-SU-2014:0096 vendor-advisory
- openSUSE-SU-2014:0094 vendor-advisory