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Fencer Intel
critical 9.3

CVE-2014-1567 json

Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 32.0, Firefox ESR 24.x before 24.8 and 31.x before 31.1,…

published 2014-09-03 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-1643

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 32.0, Firefox ESR 24.x before 24.8 and 31.x before 31.1, and Thunderbird 24.x before 24.8 and 31.x before 31.1 allows remote attackers to execute arbitrary code via text that is improperly handled during the interaction between directionality resolution and layout.

Patch / fix

  • firefox Ubuntu 14.04 LTS 32.0+build1-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:31.1.1+build1-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2014-1567

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 24.8.0-1.el5_10
  • thunderbird RHEL 6 24.8.0-1.el6_5
  • firefox RHEL 5 24.8.0-2.el5_10
  • firefox RHEL 6 24.8.0-1.el6_5
  • firefox RHEL 7 24.8.0-1.el7_0
  • xulrunner RHEL 7 24.8.0-1.el7_0

red hat advisories RHSA-2014:1145RHSA-2014:1144

  • 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-2014-1567 updated cvss 6.8

Mozilla: Use-after-free setting text directionality (MFSA 2014-72)

  • Red Hat Enterprise Linux (v. 5 server) firefox 24.8.0-2.el5_10 Red Hat Enterprise Linux Client (v. 7) firefox 24.8.0-1.el7_0, xulrunner 24.8.0-1.el7_0 Red Hat Enterprise Linux Client Optional (v. 7) firefox 24.8.0-1.el7_0 Red Hat Enterprise Linux ComputeNode Optional (v. 7) xulrunner 24.8.0-1.el7_0 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 24.8.0-2.el5_10, thunderbird 24.8.0-1.el5_10 Red Hat Enterprise Linux Desktop (v. 6) firefox 24.8.0-1.el6_5, thunderbird 24.8.0-1.el6_5
    +1 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 24.8.0-1.el6_5
    fixed: vendor fix RHSA-2014:1144
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 24.8.0-1.el5_10
    fixed: vendor fix RHSA-2014:1145
  • Red Hat Enterprise Linux Server (v. 6) firefox 24.8.0-1.el6_5 Red Hat Enterprise Linux Server (v. 7) firefox 24.8.0-1.el7_0, xulrunner 24.8.0-1.el7_0
    fixed: vendor fix RHSA-2014:1144
  • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird 24.8.0-1.el6_5
    fixed: vendor fix RHSA-2014:1145
  • Red Hat Enterprise Linux Server Optional (v. 7) firefox 24.8.0-1.el7_0, xulrunner 24.8.0-1.el7_0 Red Hat Enterprise Linux Workstation (v. 6) firefox 24.8.0-1.el6_5, thunderbird 24.8.0-1.el6_5 Red Hat Enterprise Linux Workstation (v. 7) firefox 24.8.0-1.el7_0, xulrunner 24.8.0-1.el7_0 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 24.8.0-1.el7_0
    fixed: vendor fix RHSA-2014:1144

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

4.94% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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.