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Vulnerability record · CVE-2014-1486 · published 6 February 2014

CVE-2014-1486: Mozilla firefox use after free vulnerability

Mozilla · Firefox

Use-after-free vulnerability in the imgRequestProxy function in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving unspecified Content-Type values for image data.

9.8 CVSS 3.1 Critical EPSS 7.1% · top 6.0% CWE-416 · Use after free
9.8CVSS 3.1 base score, v2 10.0
7.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
16Affected product versions listed by NVD
66References
17 Jun 2026Last modified by NVD

Description

Use-after-free vulnerability in the imgRequestProxy function in Mozilla Firefox before 27.0, Firefox ESR 24.x before 24.3, Thunderbird before 24.3, and SeaMonkey before 2.24 allows remote attackers to execute arbitrary code via vectors involving unspecified Content-Type values for image data.

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

Affected products

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

References

LinkTags
http://download.novell.com/Download?buildid=VYQsgaFpQ2k Broken Link
http://download.novell.com/Download?buildid=Y2fux-JW1Qc Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-03/msg00017.html Mailing ListThird Party Advisory
http://osvdb.org/102872 Broken Link
http://rhn.redhat.com/errata/RHSA-2014-0132.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0133.html Third Party Advisory
http://secunia.com/advisories/56706 Broken Link
http://secunia.com/advisories/56761 Broken Link
http://secunia.com/advisories/56763 Broken Link
http://secunia.com/advisories/56767 Broken Link
http://secunia.com/advisories/56787 Broken Link
http://secunia.com/advisories/56858 Broken Link
http://secunia.com/advisories/56888 Broken Link
http://secunia.com/advisories/56922 Broken Link
http://www.debian.org/security/2014/dsa-2858 Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-08.html Vendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html Third Party Advisory
http://www.securityfocus.com/bid/65334 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029717 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029720 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1029721 Third Party AdvisoryVDB Entry
http://www.ubuntu.com/usn/USN-2102-1 Third Party Advisory
http://www.ubuntu.com/usn/USN-2102-2 Third Party Advisory
http://www.ubuntu.com/usn/USN-2119-1 Third Party Advisory
https://8pecxstudios.com/?page_id=44080 Broken LinkURL Repurposed
https://bugzilla.mozilla.org/show_bug.cgi?id=942164 Issue TrackingVendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/90890 Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201504-01 Third Party Advisory
http://download.novell.com/Download?buildid=VYQsgaFpQ2k Broken Link
http://download.novell.com/Download?buildid=Y2fux-JW1Qc Broken Link
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/127966.html Mailing ListThird Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-February/129218.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00004.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00005.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00010.html Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2014-1486), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.