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Fencer Intel
high 7.5

CVE-2014-1574 json

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31…

published 2014-10-15 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-1650

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 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 Ubuntu 14.04 LTS 33.0+build2-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:31.2.0+build2-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2014-1574

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 31.2.0-3.el5_11
  • firefox RHEL 6 31.2.0-3.el6_6
  • firefox RHEL 7 31.2.0-3.el7_0
  • xulrunner RHEL 7 31.2.0-1.el7_0
  • thunderbird RHEL 5 31.2.0-2.el5_11
  • thunderbird RHEL 6 31.2.0-3.el6_6

red hat advisories RHSA-2014:1635RHSA-2014:1647

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1

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-2014-1574 updated cvss 6.8

Mozilla: Miscellaneous memory safety hazards (rv:31.2) (MFSA 2014-74)

  • Red Hat Enterprise Linux (v. 5 server) firefox 31.2.0-3.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 31.2.0-3.el7_0, xulrunner 31.2.0-1.el7_0 Red Hat Enterprise Linux Client Optional (v. 7) firefox 31.2.0-3.el7_0 Red Hat Enterprise Linux ComputeNode Optional (v. 7) xulrunner 31.2.0-1.el7_0 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 31.2.0-3.el5_11, thunderbird 31.2.0-2.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 31.2.0-3.el6_6, thunderbird 31.2.0-3.el6_6
    +10 more products
    Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 31.2.0-3.el6_6 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 31.2.0-3.el6_6 Red Hat Enterprise Linux Server (v. 6) firefox 31.2.0-3.el6_6 Red Hat Enterprise Linux Server (v. 7) firefox 31.2.0-3.el7_0, xulrunner 31.2.0-1.el7_0 Red Hat Enterprise Linux Server Optional (v. 6) firefox 31.2.0-3.el6_6, thunderbird 31.2.0-3.el6_6 Red Hat Enterprise Linux Server Optional (v. 7) firefox 31.2.0-3.el7_0, xulrunner 31.2.0-1.el7_0 Red Hat Enterprise Linux Workstation (v. 6) firefox 31.2.0-3.el6_6, thunderbird 31.2.0-3.el6_6 Red Hat Enterprise Linux Workstation (v. 7) firefox 31.2.0-3.el7_0, xulrunner 31.2.0-1.el7_0 Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 31.2.0-3.el6_6 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 31.2.0-3.el7_0
    fixed: vendor fix RHSA-2014:1635

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

3.97% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/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.