What is CVE-2016-1978?

CVE-2016-1978 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 7.3/10. Published 2016-03-13.

How severe is CVE-2016-1978?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2016-1978 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Mozilla Firefox

CVE-2016-1978

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…

EPSS: 0.025 (85.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Public proof-of-concept exploits

References

security@mozilla.org (x_refsource_CONFIRM)
security@mozilla.org (x_refsource_CONFIRM)
DSA-3688 (vendor-advisory, x_refsource_DEBIAN)
RHSA-2016:0684 (x_refsource_REDHAT, vendor-advisory)
security@mozilla.org (x_refsource_CONFIRM)
security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
security@mozilla.org (x_refsource_CONFIRM)
SUSE-SU-2016:0820 (vendor-advisory, x_refsource_SUSE)
RHSA-2016:0685 (x_refsource_REDHAT, vendor-advisory)
SUSE-SU-2016:0727 (vendor-advisory, x_refsource_SUSE)

Frequently asked questions

What is CVE-2016-1978?: CVE-2016-1978 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 7.3/10. Published 2016-03-13.
How severe is CVE-2016-1978?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2016-1978 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.