Mozilla: Use-after-free during HTML5 parsing (MFSA 2014-87)
Published Dec 11, 2014
6.8
MEDIUMCVSS 2.0
EPSS 3.38%
Description
Use-after-free vulnerability in the nsHtml5TreeOperation function in xul.dll in Mozilla Firefox before 34.0, Firefox ESR 31.x before 31.3, Thunderbird before 31.3, and SeaMonkey before 2.31 allows remote attackers to execute arbitrary code by adding a second root element to an HTML5 document during parsing.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
firefox-0:31.3.0-4.el5_11
Fixed · RHSA-2014:1919
Red Hat Enterprise Linux 5
thunderbird-0:31.3.0-1.el5_11
Fixed · RHSA-2014:1924
Red Hat Enterprise Linux 6
firefox-0:31.3.0-3.el6_6
Fixed · RHSA-2014:1919
Red Hat Enterprise Linux 6
thunderbird-0:31.3.0-1.el6_6
Fixed · RHSA-2014:1924
Red Hat Enterprise Linux 7
firefox-0:31.3.0-3.el7_0
Fixed · RHSA-2014:1919
Red Hat Enterprise Linux 7
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:31.3.0-4.el5_11 | Fixed | RHSA-2014:1919 |
| Red Hat Enterprise Linux 5 | thunderbird-0:31.3.0-1.el5_11 | Fixed | RHSA-2014:1924 |
| Red Hat Enterprise Linux 6 | firefox-0:31.3.0-3.el6_6 | Fixed | RHSA-2014:1919 |
| Red Hat Enterprise Linux 6 | thunderbird-0:31.3.0-1.el6_6 | Fixed | RHSA-2014:1924 |
| Red Hat Enterprise Linux 7 | firefox-0:31.3.0-3.el7_0 | Fixed | RHSA-2014:1919 |
| Red Hat Enterprise Linux 7 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.38% (0.03377) | 88.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.38% (0.03377) | 87.17th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.77% (0.01768) | 80.97th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.14% (0.05140) | 82.72th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.77% (0.01768) | 81.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.28% (0.06278) | 93.87th | v3 (v2023.03.01) |
| Nov 18, 2023 | 6.28% (0.06278) | 92.85th | v3 (v2023.03.01) |
| Aug 18, 2023 | 6.36% (0.06358) | 92.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.00% (0.05995) | 92.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 9.92% (0.09915) | 94.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 9.92% (0.09915) | 94.04th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.92% (0.09915) | 87.53th | v2 (v2022.01.01) |
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html vendor-advisoryx_refsource_SUSE
- http://www.debian.org/security/2014/dsa-3090 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2014/dsa-3092 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2014/mfsa2014-87.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/71398 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2014-1592 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1088635 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1169208 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-1592
- https://security.gentoo.org/glsa/201504-01 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-1592
Change history (0)
No recorded changes yet.