Mozilla: Use-after-free interacting with text directionality (MFSA 2014-79)
Published Oct 15, 2014
7.5
HIGHCVSS 2.0
EPSS 4.06%
Description
Use-after-free vulnerability in DirectionalityUtils.cpp in Mozilla Firefox before 33.0, Firefox ESR 31.x before 31.2, and Thunderbird 31.x before 31.2 allows remote attackers to execute arbitrary code via text that is improperly handled during the interaction between directionality resolution and layout.
Affected products
No data.
Configuration 1
- 31.0
- 31.1.0
No data.
Red Hat Enterprise Linux 5
firefox-0:31.2.0-3.el5_11
Fixed · RHSA-2014:1635
Red Hat Enterprise Linux 5
thunderbird-0:31.2.0-2.el5_11
Fixed · RHSA-2014:1647
Red Hat Enterprise Linux 6
firefox-0:31.2.0-3.el6_6
Fixed · RHSA-2014:1635
Red Hat Enterprise Linux 6
thunderbird-0:31.2.0-3.el6_6
Fixed · RHSA-2014:1647
Red Hat Enterprise Linux 7
firefox-0:31.2.0-3.el7_0
Fixed · RHSA-2014:1635
Red Hat Enterprise Linux 7
xulrunner-0:31.2.0-1.el7_0
Fixed · RHSA-2014:1635
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | firefox-0:31.2.0-3.el5_11 | Fixed | RHSA-2014:1635 |
| Red Hat Enterprise Linux 5 | thunderbird-0:31.2.0-2.el5_11 | Fixed | RHSA-2014:1647 |
| Red Hat Enterprise Linux 6 | firefox-0:31.2.0-3.el6_6 | Fixed | RHSA-2014:1635 |
| Red Hat Enterprise Linux 6 | thunderbird-0:31.2.0-3.el6_6 | Fixed | RHSA-2014:1647 |
| Red Hat Enterprise Linux 7 | firefox-0:31.2.0-3.el7_0 | Fixed | RHSA-2014:1635 |
| Red Hat Enterprise Linux 7 | xulrunner-0:31.2.0-1.el7_0 | Fixed | RHSA-2014:1635 |
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:L/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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.06% (0.04055) | 90.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.98% (0.03978) | 89.11th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.31% (0.02306) | 83.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.16% (0.07158) | 85.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.31% (0.02306) | 83.62th | v4 (v2025.03.14) |
| Dec 12, 2024 | 14.11% (0.14112) | 95.90th | v3 (v2023.03.01) |
| Apr 10, 2024 | 14.11% (0.14112) | 95.59th | v3 (v2023.03.01) |
| Sep 22, 2023 | 14.03% (0.14033) | 95.01th | v3 (v2023.03.01) |
| Jun 22, 2023 | 18.79% (0.18789) | 95.51th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.19% (0.09193) | 93.65th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.25% (0.12248) | 95.30th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.25% (0.12248) | 94.93th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.25% (0.12248) | 89.34th | v2 (v2022.01.01) |
References (31)
- http://lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html vendor-advisoryx_refsource_FEDORA
- 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://lists.opensuse.org/opensuse-updates/2014-11/msg00000.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00001.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00002.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00003.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2014-1635.html vendor-advisoryx_refsource_REDHAT
- http://rhn.redhat.com/errata/RHSA-2014-1647.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/61387 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/61854 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62021 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62022 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/62023 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2014/dsa-3050 vendor-advisoryx_refsource_DEBIAN
- http://www.debian.org/security/2014/dsa-3061 vendor-advisoryx_refsource_DEBIAN
- http://www.mozilla.org/security/announce/2014/mfsa2014-79.html x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/70426 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1031028 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1031030 vdb-entryx_refsource_SECTRACK
- http://www.ubuntu.com/usn/USN-2372-1 vendor-advisoryx_refsource_UBUNTU
- http://www.ubuntu.com/usn/USN-2373-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2014-1581 Vendor Advisory
- https://advisories.mageia.org/MGASA-2014-0421.html x_refsource_CONFIRM
- https://bugzilla.mozilla.org/show_bug.cgi?id=1068218 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1152363 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-1581
- https://security.gentoo.org/glsa/201504-01 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2014-1581
Change history (0)
No recorded changes yet.