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Vulnerability record · CVE-2014-1531 · published 30 April 2014

CVE-2014-1531: Mozilla firefox use after free vulnerability

Mozilla · Firefox

Use-after-free vulnerability in the nsGenericHTMLElement::GetWidthHeightForImage function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving an imgLoader object that is not properly handled during an image-resize operation.

8.8 CVSS 3.1 High EPSS 5.6% · top 7.3% CWE-416 · Use after free
8.8CVSS 3.1 base score, v2 9.3
5.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
15Affected product versions listed by NVD
46References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in the nsGenericHTMLElement::GetWidthHeightForImage function in Mozilla Firefox before 29.0, Firefox ESR 24.x before 24.5, Thunderbird before 24.5, and SeaMonkey before 2.26 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via vectors involving an imgLoader object that is not properly handled during an image-resize operation.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

15 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00013.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00040.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0448.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0449.html Third Party Advisory
http://secunia.com/advisories/59866 Broken Link
http://www.debian.org/security/2014/dsa-2918 Third Party Advisory
http://www.debian.org/security/2014/dsa-2924 Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-44.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory
http://www.securityfocus.com/bid/67134 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030163 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030164 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030165 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2185-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2189-1 Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=987140 ExploitIssue TrackingVendor Advisory
https://security.gentoo.org/glsa/201504-01 Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00013.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00040.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0448.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0449.html Third Party Advisory
http://secunia.com/advisories/59866 Broken Link
http://www.debian.org/security/2014/dsa-2918 Third Party Advisory
http://www.debian.org/security/2014/dsa-2924 Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-44.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory
http://www.securityfocus.com/bid/67134 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1030163 Third Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2014-1531), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.