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Fencer Intel
high 8.8

CVE-2016-1953 json

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 45.0 allow remote attackers to cause a denial of servi…

published 2016-03-13 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3042

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 45.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to js/src/jit/arm/Assembler-arm.cpp, and unknown other vectors.

Patch / fix

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

debian advisories DEBIAN-CVE-2016-1953

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

ubuntu advisories UBUNTU-CVE-2016-1953

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

  • mozilla-nss SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 3.20.2-28.1
  • mozilla-nspr SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 4.12-24.1
  • MozillaFirefox SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 38.7.0esr-37.3
  • mozilla-nss SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 3.20.2-40.1
  • mozilla-nspr SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 4.12-12.1
  • MozillaFirefox SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 38.7.0esr-63.3
  • mozilla-nss SLES 11 SP2-LTSS 3.20.2-20.1
  • mozilla-nspr SLES 11 SP2-LTSS 4.12-19.1

suse advisories SUSE-SU-2016:0909-1SUSE-SU-2016:0777-1SUSE-SU-2016:0727-1

  • 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-2016-1953 updated cvss 8.8

Mozilla: Miscellaneous memory safety hazards (rv:45.0) (MFSA 2016-16)

  • Red Hat Enterprise Linux 5 firefox, thunderbird Red Hat Enterprise Linux 6 firefox, thunderbird Red Hat Enterprise Linux 7 firefox, 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

3.23% chance of exploitation in the next 30 days, higher than 88% 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

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.