Skip to content
Fencer Intel
high 8.8

CVE-2016-1973 json

Race condition in the GetStaticInstance function in the WebRTC implementation in Mozilla Firefox before 45.0 might allow remote attackers t…

published 2016-03-13 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3062

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.0%
EPSS 3.0% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Race condition in the GetStaticInstance function in the WebRTC implementation in Mozilla Firefox before 45.0 might allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via unspecified vectors.

Patch / fix

  • firefox-esr Debian 14, Debian 13, Debian 12 45.0esr-1

debian advisories DEBIAN-CVE-2016-1973

  • firefox Ubuntu 14.04 LTS 45.0+build2-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2016-1973

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • firefox RHEL 5 38.7.0-1.el5_11
  • firefox RHEL 6 38.7.0-1.el6_7
  • firefox RHEL 7 38.7.0-1.el7_2

red hat advisories RHSA-2016:0373

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-1973 updated cvss 5.1

Mozilla: Use-after-free in GetStaticInstance in WebRTC (MFSA 2016-33)

  • Red Hat Enterprise Linux (v. 5 server) firefox 38.7.0-1.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 38.7.0-1.el7_2 Red Hat Enterprise Linux Client Optional (v. 7) firefox 38.7.0-1.el7_2 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 38.7.0-1.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 38.7.0-1.el6_7
    +9 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Server (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Server (v. 7) firefox 38.7.0-1.el7_2 Red Hat Enterprise Linux Server Optional (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Server Optional (v. 7) firefox 38.7.0-1.el7_2 Red Hat Enterprise Linux Workstation (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Workstation (v. 7) firefox 38.7.0-1.el7_2 Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 38.7.0-1.el7_2
    fixed: vendor fix RHSA-2016:0373
  • Red Hat Enterprise Linux 5 thunderbird Red Hat Enterprise Linux 6 thunderbird Red Hat Enterprise Linux 7 thunderbird
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.98% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.