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 have unspecified other impact by making an SSL (1) DHE or (2) ECDHE handshake at a time of high memory consumption.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.024 (83.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
Public proof-of-concept exploits
References
- bto.bluecoat.com/security-advisory/sa124
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- www.debian.org/security/2016/dsa-3688 (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-0684.html (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- www.mozilla.org/security/announce/2016/mfsa2016-15.html (Vendor Advisory)
- www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00068.html (vendor-advisory)
- rhn.redhat.com/errata/RHSA-2016-0685.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00027.html (vendor-advisory)
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.