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Fencer Intel
critical 9.1

CVE-2014-1508 json

The libxul.so!gfxContext::Polygon function in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMo…

published 2014-03-19 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-1584

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.2%
EPSS 4.2% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

The libxul.so!gfxContext::Polygon function in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and SeaMonkey before 2.25 allows remote attackers to obtain sensitive information from process memory, cause a denial of service (out-of-bounds read and application crash), or possibly bypass the Same Origin Policy via vectors involving MathML polygon rendering.

Patch / fix

  • mozilla firefox 24.4, 28.0
  • mozilla seamonkey 2.25
  • mozilla thunderbird 24.4
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 24.4.0-1.el5_10
  • thunderbird RHEL 6 24.4.0-1.el6_5
  • firefox RHEL 5 24.4.0-1.el5_10
  • firefox RHEL 6 24.4.0-1.el6_5

red hat advisories RHSA-2014:0316RHSA-2014:0310

  • 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-2014-1508 updated cvss 4.3

Mozilla: Information disclosure through polygon rendering in MathML (MFSA 2014-26)

  • Red Hat Enterprise Linux (v. 5 server) firefox 24.4.0-1.el5_10 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 24.4.0-1.el5_10, thunderbird 24.4.0-1.el5_10 Red Hat Enterprise Linux Desktop (v. 6) firefox 24.4.0-1.el6_5, thunderbird 24.4.0-1.el6_5 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 24.4.0-1.el6_5
    fixed: vendor fix RHSA-2014:0310
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 24.4.0-1.el5_10
    fixed: vendor fix RHSA-2014:0316
  • Red Hat Enterprise Linux Server (v. 6) firefox 24.4.0-1.el6_5
    fixed: vendor fix RHSA-2014:0310
  • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird 24.4.0-1.el6_5
    fixed: vendor fix RHSA-2014:0316
  • Red Hat Enterprise Linux Workstation (v. 6) firefox 24.4.0-1.el6_5, thunderbird 24.4.0-1.el6_5
    fixed: vendor fix RHSA-2014:0310

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

4.23% 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=963198 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/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.