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CVE-2015-7575

Mozilla Network Security Services (NSS) before 3.20.2, as used in Mozilla Firefox before 43.0.2 and Firefox ESR 38.x before 38.5.2, does not reject MD5 signatures in Server Key Exchange messages in TLS 1.2 Handshake Protocol traffic, which makes it easier for man-in-the-middle attackers to spoof servers by triggering a collision.

Published:Jan 6, 2016

Last Modified:Apr 12, 2025

EPS:Jan 9, 2016

EPSS Score:0.02005

CVSS Score:5.9

Affected Products

Vendor

Product

Action

Vendor

Canonical

Product

Ubuntu Linux

Canonical

Ubuntu Linux

Vendor

Mozilla

Product

Firefox

Mozilla

Firefox

Vendor

Mozilla

Product

Network Security Services

Mozilla

Network Security Services

Vendor

Opensuse

Product

Leap

Opensuse

Leap

Vendor

Opensuse

Product

Opensuse

Opensuse

Opensuse

Vendor

Redhat

Product

Enterprise Linux

Redhat

Enterprise Linux

Vendor

Redhat

Product

Network Satellite

Redhat

Network Satellite

Vendor

Redhat

Product

Rhel Extras

Redhat

Rhel Extras

Vendor

Redhat

Product

Rhel Extras Oracle Java

Redhat

Rhel Extras Oracle Java

Exploits

No exploit reference

Common Weakness Enumeration

No CWE recorded yet

Common Attack Pattern Enumeration and Classification (CAPEC)

No CAPEC recorded yet

Related CVEs

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CVE-2026-47336 (CVSS 3.3) — Ubuntu Linux 6.8 contains SAUCE patches with a possible use of an uninitialized variable in AppArmor AF_INET/A…

CVE-2026-47335 (CVSS 5.5) — Ubuntu Linux 6.8 contains SAUCE patches with a possible NULL pointer dereference in the handling of AppArmor n…

CVE-2026-47334 (CVSS 5.5) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which incorrectly sleep while holding a spinlock…

CVE-2026-47333 (CVSS 7.8) — Ubuntu Linux 6.8, 6.17 and 7.0 contain AppArmor SAUCE patches which can potentially incorrectly compute the si…

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References

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00038.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00041.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00042.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00043.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00044.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00045.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00047.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00048.html

http://lists.opensuse.org/opensuse-updates/2015-12/msg00139.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00005.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00058.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00059.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00101.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00166.html

http://rhn.redhat.com/errata/RHSA-2016-0049.html

http://rhn.redhat.com/errata/RHSA-2016-0050.html

http://rhn.redhat.com/errata/RHSA-2016-0053.html

http://rhn.redhat.com/errata/RHSA-2016-0054.html

http://rhn.redhat.com/errata/RHSA-2016-0055.html

http://rhn.redhat.com/errata/RHSA-2016-0056.html

http://www.debian.org/security/2016/dsa-3436

http://www.debian.org/security/2016/dsa-3437

http://www.debian.org/security/2016/dsa-3457

http://www.debian.org/security/2016/dsa-3458

http://www.debian.org/security/2016/dsa-3465

http://www.debian.org/security/2016/dsa-3491

http://www.debian.org/security/2016/dsa-3688

http://www.mozilla.org/security/announce/2015/mfsa2015-150.html

http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html

http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html

http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.securityfocus.com/bid/79684

http://www.securityfocus.com/bid/91787

http://www.securitytracker.com/id/1034541

http://www.securitytracker.com/id/1036467

http://www.ubuntu.com/usn/USN-2863-1

http://www.ubuntu.com/usn/USN-2864-1

http://www.ubuntu.com/usn/USN-2865-1

http://www.ubuntu.com/usn/USN-2866-1

http://www.ubuntu.com/usn/USN-2884-1

http://www.ubuntu.com/usn/USN-2904-1

https://access.redhat.com/errata/RHSA-2016:1430

https://bugzilla.mozilla.org/show_bug.cgi?id=1158489

https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.20.2_release_notes

https://security.gentoo.org/glsa/201701-46

https://security.gentoo.org/glsa/201706-18

https://security.gentoo.org/glsa/201801-15

https://security.netapp.com/advisory/ntap-20160225-0001/

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00038.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00041.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00042.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00043.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00044.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00045.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00047.html

http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00048.html

http://lists.opensuse.org/opensuse-updates/2015-12/msg00139.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00005.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00058.html

http://lists.opensuse.org/opensuse-updates/2016-01/msg00059.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00007.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00008.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00101.html

http://lists.opensuse.org/opensuse-updates/2016-02/msg00166.html

http://rhn.redhat.com/errata/RHSA-2016-0049.html

http://rhn.redhat.com/errata/RHSA-2016-0050.html

http://rhn.redhat.com/errata/RHSA-2016-0053.html

http://rhn.redhat.com/errata/RHSA-2016-0054.html

http://rhn.redhat.com/errata/RHSA-2016-0055.html

http://rhn.redhat.com/errata/RHSA-2016-0056.html

http://www.debian.org/security/2016/dsa-3436

http://www.debian.org/security/2016/dsa-3437

http://www.debian.org/security/2016/dsa-3457

http://www.debian.org/security/2016/dsa-3458

http://www.debian.org/security/2016/dsa-3465

http://www.debian.org/security/2016/dsa-3491

http://www.debian.org/security/2016/dsa-3688

http://www.mozilla.org/security/announce/2015/mfsa2015-150.html

http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html

http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html

http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html

http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html

http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html

http://www.securityfocus.com/bid/79684

http://www.securityfocus.com/bid/91787

http://www.securitytracker.com/id/1034541

http://www.securitytracker.com/id/1036467

http://www.ubuntu.com/usn/USN-2863-1

http://www.ubuntu.com/usn/USN-2864-1

http://www.ubuntu.com/usn/USN-2865-1

http://www.ubuntu.com/usn/USN-2866-1

http://www.ubuntu.com/usn/USN-2884-1

http://www.ubuntu.com/usn/USN-2904-1

https://access.redhat.com/errata/RHSA-2016:1430

https://bugzilla.mozilla.org/show_bug.cgi?id=1158489

https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.20.2_release_notes

https://security.gentoo.org/glsa/201701-46

https://security.gentoo.org/glsa/201706-18

https://security.gentoo.org/glsa/201801-15

https://security.netapp.com/advisory/ntap-20160225-0001/

Common Vulnerability Scoring System

Attack Vector

Network

Adjacent

Local

Physical

Privileges Required

None

Low

High

User Interaction

None

Required

Scope

Unchanged

Changed

Confidentiality

None

Low

High

Integrity

None

Low

High

Availability

None

Low

High