CVE-2016-1978

Severity: high (CVSS 7.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-03-13 · updated 2026-06-17

Description

Use-after-free vulnerability in the ssl3_HandleECDHServerKeyExchange function in Mozilla Network Security Services (NSS) before 3.21, as used in Mozilla Firefox before 44.0, allows remote attackers to cause a denial of service or possibly have unspecified other impact by making an SSL (1) DHE or (2) ECDHE handshake at a time of high memory consumption.

Affected products

Mozilla Firefox: through 43.0.4
Mozilla Network Security Services: through 3.20.1

References

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00050.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00093.html
http://rhn.redhat.com/errata/RHSA-2016-0591.html
http://rhn.redhat.com/errata/RHSA-2016-0684.html
http://rhn.redhat.com/errata/RHSA-2016-0685.html
http://www.debian.org/security/2016/dsa-3688
http://www.mozilla.org/security/announce/2016/mfsa2016-15.html
http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html

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