Skip to content
Fencer Intel
critical 9.8

CVE-2014-1532 json

Use-after-free vulnerability in the nsHostResolver::ConditionallyRefreshRecord function in libxul.so in Mozilla Firefox before 29.0, Firefo…

published 12y ago modified 4mo ago also EUVD-2014-1608

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.6%
EPSS 4.6% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

Use-after-free vulnerability in the nsHostResolver::ConditionallyRefreshRecord function in libxul.so in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors related to host resolution.

Patch / fix

  • mozilla firefox 24.5, 29.0
  • mozilla seamonkey 2.26
  • mozilla thunderbird 24.5
  • firefox Ubuntu 14.04 LTS 29.0+build1-0ubuntu0.14.04.2
  • thunderbird Ubuntu 14.04 LTS 1:24.5.0+build1-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2014-1532

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 24.5.0-1.el5_10
  • thunderbird RHEL 6 24.5.0-1.el6_5
  • firefox RHEL 5 24.5.0-1.el5_10
  • firefox RHEL 6 24.5.0-1.el6_5

red hat advisories RHSA-2014:0449RHSA-2014:0448

  • 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-2014-1532 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-2014-1532 updated cvss 6.8

Mozilla: Use-after-free in nsHostResolver (MFSA 2014-46)

  • Red Hat Enterprise Linux (v. 5 server) firefox 24.5.0-1.el5_10 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 24.5.0-1.el5_10, thunderbird 24.5.0-1.el5_10 Red Hat Enterprise Linux Desktop (v. 6) firefox 24.5.0-1.el6_5, thunderbird 24.5.0-1.el6_5 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0448
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 24.5.0-1.el5_10
    fixed: vendor fix RHSA-2014:0449
  • Red Hat Enterprise Linux Server (v. 6) firefox 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0448
  • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0449
  • Red Hat Enterprise Linux Workstation (v. 6) firefox 24.5.0-1.el6_5, thunderbird 24.5.0-1.el6_5
    fixed: vendor fix RHSA-2014:0448

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

4.61% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.mozilla.org https://bugzilla.mozilla.org/show_bug.cgi?id=966006 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 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

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.