What is CVE-2016-1979?

CVE-2016-1979 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 8.8/10. Published 2016-03-13.

How severe is CVE-2016-1979?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2016-1979 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-2016-1979

Use-after-free vulnerability in the PK11_ImportDERPrivateKeyInfoAndReturnKey function in Mozilla Network Security Services (NSS) before 3.21.1, as used in Mozilla Firefox before 45.0, allows remote attackers to cause a denial of service or…

EPSS: 0.007 (72.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Public proof-of-concept exploits

References

security@mozilla.org (x_refsource_CONFIRM)
84221 (vdb-entry, x_refsource_BID)
security@mozilla.org (x_refsource_CONFIRM)
DSA-3688 (vendor-advisory, x_refsource_DEBIAN)
DSA-3576 (vendor-advisory, x_refsource_DEBIAN)
security@mozilla.org (x_refsource_CONFIRM)
RHSA-2016:0684 (x_refsource_REDHAT, 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)

Frequently asked questions

What is CVE-2016-1979?: CVE-2016-1979 is a high-severity vulnerability in Mozilla Firefox. CVSS score: 8.8/10. Published 2016-03-13.
How severe is CVE-2016-1979?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2016-1979 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.