Description
Memory leak in the dtls1_buffer_record function in d1_pkt.c in OpenSSL 1.0.0 before 1.0.0p and 1.0.1 before 1.0.1k allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate records for the next epoch, leading to failure of replay detection.
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 | 1.0.1k-1 | — |
| Debian 13 | openssl | 1.0.1k-1 | — |
| Debian 12 | openssl | 1.0.1k-1 | — |
| Debian 7 | openssl | 1.0.1e-2+deb7u14 | DSA-3125-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | openssl | 1.0.1f-1ubuntu2.8 | USN-2459-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | openssl +4 | 1:1.0.1e-34.el7_0.7 | RHSA-2015:0066 |
| RHEL 6 | openssl +3 | 1.0.1e-30.el6_6.5 | RHSA-2015:0066 |
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-34.el7_0.7 | ELSA-2015-0066 |
Advisories 6
- RHSA-2015:0066 Red Hat Security Advisory: openssl security update Red Hat Security Advisories (RHSA) · Aug 5, 2026
- USN-2459-1 openssl vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-3125-1 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
- openSUSE-SU-2024:11127-1 libopenssl-1_1-devel-1.1.1l-1.2 on GA media SUSE / openSUSE Security Updates · May 7, 2025
- ELSA-2015-0066 Moderate: openssl security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Jan 20, 2015
References
- http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html
- openSUSE-SU-2015:0130 vendor-advisory
- 20150310 Multiple Vulnerabilities in OpenSSL (January 2015) Affecting Cisco Products vendor-advisory
- openssl-cve20150206-dos(99704) vdb-entry
- HPSBMU03409 vendor-advisory
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
- HPSBMU03380 vendor-advisory
- FEDORA-2015-0601 vendor-advisory
- 1033378 vdb-entry
- HPSBHF03289 vendor-advisory
- https://www.openssl.org/news/secadv_20150108.txt
- MDVSA-2015:019 vendor-advisory
- http://www.oracle.com/technetwork/topics/security/cpuapr2015-2365600.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- openSUSE-SU-2015:1277 vendor-advisory
- RHSA-2015:0066 vendor-advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10108
- https://kc.mcafee.com/corporate/index?page=content&id=SB10102
- https://github.com/openssl/openssl/commit/103b171d8fc282ef435f8de9afbf7782e312961f
- SUSE-SU-2015:0946 vendor-advisory
- HPSBMU03397 vendor-advisory
- 91787 vdb-entry
- 71940 vdb-entry
- http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html
- HPSBMU03396 vendor-advisory
- MDVSA-2015:062 vendor-advisory
- HPSBMU03413 vendor-advisory
- https://bto.bluecoat.com/security-advisory/sa88
- DSA-3125 vendor-advisory
- FEDORA-2015-0512 vendor-advisory