CVE-2013-6449
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version...
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
Exploit likelihood
What each source reports
NVD Score used
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
- Record
CVE-2013-6449- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-310
- Updated
- 2026-11-02
CVE List No score
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
- Record
CVE-2013-6449- Updated
- 2026-11-02
EUVDEUVD-2013-6256 No score
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
- Record
EUVD-2013-6256- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-h84w-39m4-37j6 No score
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version...
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
- Record
GHSA-h84w-39m4-37j6- Updated
- 2026-11-02
OSVBELL-CVE-2013-6449
CVE-2013-6449 does not affect BellSoft software
- Record
BELL-CVE-2013-6449- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
OSV No score
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
- Record
CVE-2013-6449- Updated
- 2026-11-02
Show 6 moreShow less
OSVDEBIAN-CVE-2013-6449 No score
The ssl_get_algorithm2 function in ssl/s3_lib.c in OpenSSL before 1.0.2 obtains a certain version number from an incorrect data structure, which allows remote attackers to cause a denial of service (daemon crash) via crafted traffic from a TLS 1.2 client.
- Record
DEBIAN-CVE-2013-6449- Updated
- 2026-11-02
OSVMGASA-2014-0008 No score
Updated openssl package fixes security vulnerability
A flaw was reported for OpenSSL 1.0.1e, that can cause application using OpenSSL to crash when using TLS version 1.2 (CVE-2013-6449).
Also, a NULL pointer reference issue has been fixed in SSL_get_certificate (mga#11549).
- Record
MGASA-2014-0008- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10271-1 No score
libopenssl-devel-1.0.2j-2.2 on GA media
These are all security issues fixed in the libopenssl-devel-1.0.2j-2.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10271-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10529-1 No score
libopenssl1_0_0-steam-1.0.2h-4.1 on GA media
These are all security issues fixed in the libopenssl1_0_0-steam-1.0.2h-4.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10529-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11127-1 No score
libopenssl-1_1-devel-1.1.1l-1.2 on GA media
These are all security issues fixed in the libopenssl-1_1-devel-1.1.1l-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11127-1- Updated
- 2026-11-02
OSVSUSE-FU-2022:0445-1 No score
Feature update for venv-salt-minion
This feature update for venv-salt-minion provides the following changes:
- Introduce
venv-salt-minion. - Mention fixed issues provided with the bundle.
- Record
SUSE-FU-2022:0445-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
opensslDebian:12 |
before 1.0.1e-5 | 1.0.1e-5 |
opensslDebian:13 |
before 1.0.1e-5 | 1.0.1e-5 |
opensslDebian:14 |
before 1.0.1e-5 | 1.0.1e-5 |
opensslDebian:7 From an advisory covering 2 CVEs |
before 1.0.1e-2+deb7u1, plus listed versions 1.0.1e-2 |
1.0.1e-2+deb7u1 |
opensslMageia:3 |
before 1.0.1e-1.2.mga3 | 1.0.1e-1.2.mga3 |
opensslRed Hat:enterprise_linux:6::client From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-debuginfoRed Hat:enterprise_linux:6::client From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-develRed Hat:enterprise_linux:6::client From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-perlRed Hat:enterprise_linux:6::client From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-staticRed Hat:enterprise_linux:6::client From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
Show 17 moreShow less
| Package | Affected | Fixed |
|---|---|---|
opensslRed Hat:enterprise_linux:6::computenode From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-debuginfoRed Hat:enterprise_linux:6::computenode From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-develRed Hat:enterprise_linux:6::computenode From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-perlRed Hat:enterprise_linux:6::computenode From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-staticRed Hat:enterprise_linux:6::computenode From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
opensslRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-debuginfoRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-develRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-perlRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-staticRed Hat:enterprise_linux:6::server From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
opensslRed Hat:enterprise_linux:6::workstation From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-debuginfoRed Hat:enterprise_linux:6::workstation From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-develRed Hat:enterprise_linux:6::workstation From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-perlRed Hat:enterprise_linux:6::workstation From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
openssl-staticRed Hat:enterprise_linux:6::workstation From an advisory covering 3 CVEs |
before 0:1.0.1e-16.el6_5.4 | 0:1.0.1e-16.el6_5.4 |
rhev-hypervisor6Red Hat:enterprise_linux:6::hypervisor From an advisory covering 4 CVEs |
before 0:6.5-20140112.0.el6ev | 0:6.5-20140112.0.el6ev |
openssl-1_1openSUSE:Tumbleweed From an advisory covering 136 CVEs |
before 1.1.1l-1.2 | 1.1.1l-1.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-6449 is a medium vulnerability (CVSS 4.3) in Openssl, published December 23, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 21.2%, the 97th percentile. Fixed in openssl 1.0.1e-5.
References
vmware.com/security/advisories/VMSA-2014-0012.html
lists.opensuse.org/opensuse-updates/2014-01/msg00006.html
www-01.ibm.com/support/docview.wss?uid=isg400001843
security.gentoo.org/glsa/glsa-201412-39.xml
debian.org/security/2014/dsa-2833
Show 194 moreShow less
securityfocus.com/archive/1/534161/100/0/threaded
lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
oracle.com/technetwork/topics/security/cpujan2015-1972971.html
ubuntu.com/usn/USN-2079-1
rt.openssl.org/Ticket/Display.html?id=3200&user=guest&pass=guest
rhn.redhat.com/errata/RHSA-2014-0015.html
seclists.org/fulldisclosure/2014/Dec/23
issues.apache.org/jira/browse/TS-2355
securitytracker.com/id/1029548
git.openssl.org/gitweb?p=openssl.git%3Ba=commit%3Bh=ca989269a2876bae79393bd54c3e72d49975fc75
bugzilla.redhat.com/show_bug.cgi?id=1045363
nvd.nist.gov/vuln/detail/CVE-2013-6449
github.com/advisories/GHSA-h84w-39m4-37j6
docs.bell-sw.com/security/cves/CVE-2013-6449
security-tracker.debian.org/tracker/CVE-2013-6449
advisories.mageia.org/MGASA-2014-0008.html
bugs.mageia.org/show_bug.cgi?id=12096
access.redhat.com/errata/RHSA-2014:0015
security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0015.json
cve.org/CVERecord?id=CVE-2013-4353
mozilla.org/security/announce/2013/mfsa2013-103.html
suse.com/support/update/announcement/-2022-445/suse-fu-20220445-1
bugzilla.suse.com/1000080
Left out here: 540 references. The JSON record has them.