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Fencer Intel
critical 9.8

CVE-2014-1477 json

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before…

published 12y ago modified 4mo ago also EUVD-2014-1553

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.5%
EPSS 5.5% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Patch / fix

  • mozilla firefox 24.3, 27.0
  • mozilla seamonkey 2.24
  • mozilla thunderbird 24.3
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 24.3.0-2.el5_10
  • thunderbird RHEL 6 24.3.0-2.el6_5
  • firefox RHEL 5 24.3.0-2.el5_10
  • firefox RHEL 6 24.3.0-2.el6_5

red hat advisories RHSA-2014:0133RHSA-2014:0132

  • 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

Is CVE-2014-1477 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2014-1477 updated cvss 6.8

Mozilla: Miscellaneous memory safety hazards (rv:24.3) (MFSA 2014-01)

  • Red Hat Enterprise Linux (v. 5 server) firefox 24.3.0-2.el5_10 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 24.3.0-2.el5_10, thunderbird 24.3.0-2.el5_10 Red Hat Enterprise Linux Desktop (v. 6) firefox 24.3.0-2.el6_5, thunderbird 24.3.0-2.el6_5 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 24.3.0-2.el6_5
    fixed: vendor fix RHSA-2014:0132
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 24.3.0-2.el5_10
    fixed: vendor fix RHSA-2014:0133
  • Red Hat Enterprise Linux Server (v. 6) firefox 24.3.0-2.el6_5
    fixed: vendor fix RHSA-2014:0132
  • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird 24.3.0-2.el6_5
    fixed: vendor fix RHSA-2014:0133
  • Red Hat Enterprise Linux Workstation (v. 6) firefox 24.3.0-2.el6_5, thunderbird 24.3.0-2.el6_5
    fixed: vendor fix RHSA-2014:0132

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

5.46% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=950000 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=953114 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=945334 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=925896 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=950438 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=937132 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=921470 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=937697 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=945939 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=936808 referenced PoC, tagged "exploit" by a source, unverified
  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=951366 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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.