CVE-2014-1581
HIGH · CVSS 7.5EPSS 4.1%EU EUVD
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.
Key facts
- CVSS score
- 7.5 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P- EPSS score
- 4.1% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2014-1657)
- Published
- October 15, 2014
- NVD last modified
- June 17, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2014-1657 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / firefox
- mozilla / thunderbird
- mozilla / thunderbird
References
- http://lists.fedoraproject.org/pipermail/package-announce/2014-November/141796.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/141085.html
- http://lists.opensuse.org/opensuse-security-announce/2015-01/msg00024.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00000.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00002.html
- http://lists.opensuse.org/opensuse-updates/2014-11/msg00003.html
- http://rhn.redhat.com/errata/RHSA-2014-1635.html
- http://rhn.redhat.com/errata/RHSA-2014-1647.html
- http://secunia.com/advisories/61387
- http://secunia.com/advisories/61854
- http://secunia.com/advisories/62021
- http://secunia.com/advisories/62022
- http://secunia.com/advisories/62023
- http://www.debian.org/security/2014/dsa-3050
- http://www.debian.org/security/2014/dsa-3061
- http://www.mozilla.org/security/announce/2014/mfsa2014-79.html(Vendor Advisory)
- http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html
- http://www.securityfocus.com/bid/70426
- http://www.securitytracker.com/id/1031028
- http://www.securitytracker.com/id/1031030
- http://www.ubuntu.com/usn/USN-2372-1
- http://www.ubuntu.com/usn/USN-2373-1
- https://advisories.mageia.org/MGASA-2014-0421.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1068218
- https://security.gentoo.org/glsa/201504-01
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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