CVE-2014-1523

Name: CVE-2014-1523
Creator: NVD / NIST
Published: 2014-04-30T10:49:04.8+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 3.16%

Last modified Jun 17, 2026

CVE-2014-1523 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Heap-based buffer overflow in the read_u32 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 cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG image.. EPSS estimates a 3.16% chance of exploitation in the next 30 days.

Description

Heap-based buffer overflow in the read_u32 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 cause a denial of service (out-of-bounds read and application crash) via a crafted JPEG image.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

3.16%

86.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions	Update
Mozilla	Firefox	< 29.0	—
Mozilla	Firefox	>= 24.0, < 24.5	—
Mozilla	Seamonkey	< 2.26	—
Mozilla	Thunderbird	< 24.5	—
Fedoraproject	Fedora	19	—
Fedoraproject	Fedora	20	—
Debian	Debian Linux	7.0	—
Debian	Debian Linux	8.0	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	12.10	—
Canonical	Ubuntu Linux	13.10	—
Canonical	Ubuntu Linux	14.04	—
Redhat	Enterprise Linux Desktop	5.0	—
Redhat	Enterprise Linux Desktop	6.0	—
Redhat	Enterprise Linux Eus	6.5	—
Redhat	Enterprise Linux Server	5.0	—
Redhat	Enterprise Linux Server	6.0	—
Redhat	Enterprise Linux Server Aus	6.5	—
Redhat	Enterprise Linux Server Eus	6.5	—
Redhat	Enterprise Linux Server Tus	6.5	—
Redhat	Enterprise Linux Workstation	5.0	—
Redhat	Enterprise Linux Workstation	6.0	—
Opensuse	Opensuse	11.4	—
Opensuse	Opensuse	12.3	—
Opensuse	Opensuse	13.1	—
Suse	Suse Linux Enterprise Server	10	Sp4
Suse	Suse Linux Enterprise Server	11	Sp1

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00013.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00040.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0448.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0449.htmlThird Party Advisory
http://www.debian.org/security/2014/dsa-2918Third Party Advisory
http://www.debian.org/security/2014/dsa-2924Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-37.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securityfocus.com/bid/67129Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030163Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030164Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030165Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2185-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2189-1Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=969226Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201504-01Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132332.htmlMailing List, Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2014-May/132437.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00006.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2014-05/msg00015.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00010.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00013.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00033.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2014-05/msg00040.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0448.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0449.htmlThird Party Advisory
http://www.debian.org/security/2014/dsa-2918Third Party Advisory
http://www.debian.org/security/2014/dsa-2924Third Party Advisory
http://www.mozilla.org/security/announce/2014/mfsa2014-37.htmlVendor Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlThird Party Advisory
http://www.securityfocus.com/bid/67129Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030163Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030164Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1030165Third Party Advisory, VDB Entry
http://www.ubuntu.com/usn/USN-2185-1Third Party Advisory
http://www.ubuntu.com/usn/USN-2189-1Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=969226Issue Tracking, Vendor Advisory
https://security.gentoo.org/glsa/201504-01Third Party Advisory

Timeline

Published: Apr 30, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-1523?

How severe is CVE-2014-1523?

CVE-2014-1523 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 3.16% probability of exploitation in the next 30 days.

How do I fix CVE-2014-1523?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-1523?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST