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Fencer Intel
high 8.8

CVE-2016-2807 json

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 46.0, Firefox ESR 38.x before 38.8, and Firefox ESR 45…

published 2016-04-30 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3880

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.7%
EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 46.0, Firefox ESR 38.x before 38.8, and Firefox ESR 45.x before 45.1 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Patch / fix

  • firefox-esr Debian 14, Debian 13, Debian 12 45.1.0esr-1

debian advisories DEBIAN-CVE-2016-2807

  • firefox Ubuntu 14.04 LTS 46.0+build5-0ubuntu0.14.04.2
  • firefox Ubuntu 16.04 LTS 46.0+build5-0ubuntu0.16.04.2
  • thunderbird Ubuntu 14.04 LTS 1:38.8.0+build1-0ubuntu0.14.04.1
  • thunderbird Ubuntu 16.04 LTS 1:38.8.0+build1-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2016-2807

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

  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 38.8.0-1.el5_11
  • thunderbird RHEL 6 38.8.0-2.el6_8
  • thunderbird RHEL 7 38.8.0-1.el7_2
  • firefox RHEL 5 45.1.0-1.el5_11
  • firefox RHEL 6 45.1.0-1.el6_7
  • firefox RHEL 7 45.1.0-1.el7_2

red hat advisories RHSA-2016:1041RHSA-2016:0695

  • MozillaFirefox SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +5 more 38.8.0esr-40.5
  • mozilla-nss SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +5 more 3.20.2-30.1
  • mozilla-nspr SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +5 more 4.12-26.1
  • MozillaFirefox SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 38.8.0esr-66.2
  • MozillaFirefox SLES 11 SP2-LTSS 38.8.0esr-40.1

suse advisories SUSE-SU-2016:1374-1SUSE-SU-2016:1342-1SUSE-SU-2016:1258-1

  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1
  • MozillaThunderbird Package Hub 12 45.2-6.1

opensuse advisories openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1openSUSE-SU-2016:1769-1openSUSE-SU-2016:1778-1

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-2016-2807 updated cvss 6.8

Mozilla: Miscellaneous memory safety hazards (rv:46.0 / rv:45.1 / rv:38.8) (MFSA 2016-39)

  • Red Hat Enterprise Linux (v. 5 server) firefox 45.1.0-1.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 45.1.0-1.el7_2, thunderbird 38.8.0-1.el7_2 Red Hat Enterprise Linux Client Optional (v. 7) firefox 45.1.0-1.el7_2 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 45.1.0-1.el5_11, thunderbird 38.8.0-1.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 45.1.0-1.el6_7, thunderbird 38.8.0-2.el6_8 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 45.1.0-1.el6_7
    +1 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 45.1.0-1.el6_7
    fixed: vendor fix RHSA-2016:0695
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 38.8.0-1.el5_11
    fixed: vendor fix RHSA-2016:1041
  • Red Hat Enterprise Linux Server (v. 6) firefox 45.1.0-1.el6_7 Red Hat Enterprise Linux Server (v. 7) firefox 45.1.0-1.el7_2 Red Hat Enterprise Linux Server Optional (v. 6) firefox 45.1.0-1.el6_7, thunderbird 38.8.0-2.el6_8 Red Hat Enterprise Linux Server Optional (v. 7) firefox 45.1.0-1.el7_2, thunderbird 38.8.0-1.el7_2 Red Hat Enterprise Linux Workstation (v. 6) firefox 45.1.0-1.el6_7, thunderbird 38.8.0-2.el6_8 Red Hat Enterprise Linux Workstation (v. 7) firefox 45.1.0-1.el7_2, thunderbird 38.8.0-1.el7_2
    +2 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 45.1.0-1.el6_7 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 45.1.0-1.el7_2
    fixed: vendor fix RHSA-2016:0695

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

4.69% chance of exploitation in the next 30 days, higher than 91% 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 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.