Mozilla: Use-after-free in Event Listener Manager (MFSA 2014-51)
Published Jun 11, 2014
9.3
HIGHCVSS 2.0
EPSS 3.83%
Description
Use-after-free vulnerability in the nsEventListenerManager::CompileEventHandlerInternal function in the Event Listener Manager in Mozilla Firefox before 30.0 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via crafted web content.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
firefox
Not affected
Red Hat Enterprise Linux 5
thunderbird
Not affected
Red Hat Enterprise Linux 6
firefox
Not affected
Red Hat Enterprise Linux 6
thunderbird
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 5 | thunderbird | Not affected | n/a |
| Red Hat Enterprise Linux 6 | firefox | Not affected | n/a |
| Red Hat Enterprise Linux 6 | thunderbird | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the version of firefox and thunderbird as shipped with Red Hat Enterprise Linux 5 and 6
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:C/I:C/A:C
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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.83% (0.03831) | 89.76th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.81% (0.03814) | 88.64th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.39% (0.00390) | 57.20th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.53% (0.01533) | 69.60th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.39% (0.00390) | 58.03th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.36% (0.02361) | 90.20th | v3 (v2023.03.01) |
| Dec 6, 2023 | 2.36% (0.02361) | 88.63th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.88% (0.01880) | 86.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.65% (0.05647) | 90.25th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.65% (0.05647) | 89.30th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.65% (0.05647) | 76.85th | v2 (v2022.01.01) |
References (18)
- http://lists.opensuse.org/opensuse-updates/2014-06/msg00040.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-07/msg00001.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/59052 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59171 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59387 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59486 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/59866 third-party-advisoryx_refsource_SECUNIA
- http://www.mozilla.org/security/announce/2014/mfsa2014-51.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/67978 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1030388 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2243-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-1540 Vendor Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=978862 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1107423 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-1540
- https://security.gentoo.org/glsa/201504-01 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-1540
Change history (0)
No recorded changes yet.