CVE-2012-5830

Name: CVE-2012-5830
Creator: NVD / NIST
Published: 2012-11-21T12:55:03.29+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 3.81%

Last modified Jun 16, 2026

CVE-2012-5830 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use-after-free vulnerability in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 on Mac OS X allows remote attackers to execute arbitrary code via an HTML document.. EPSS estimates a 3.81% chance of exploitation in the next 30 days.

Description

Use-after-free vulnerability in Mozilla Firefox before 17.0, Firefox ESR 10.x before 10.0.11, Thunderbird before 17.0, Thunderbird ESR 10.x before 10.0.11, and SeaMonkey before 2.14 on Mac OS X allows remote attackers to execute arbitrary code via an HTML document.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

3.81%

88.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-416

Affected Software

Vendor	Product	Versions	Update
Mozilla	Firefox	< 17.0	—
Mozilla	Firefox	>= 10.0, < 10.0.11	—
Mozilla	Seamonkey	< 2.14	—
Mozilla	Thunderbird	< 17.0	—
Mozilla	Thunderbird Esr	>= 10.0, < 10.0.11	—
Redhat	Enterprise Linux Desktop	5.0	—
Redhat	Enterprise Linux Desktop	6.0	—
Redhat	Enterprise Linux Eus	6.3	—
Redhat	Enterprise Linux Server	5.0	—
Redhat	Enterprise Linux Server	6.0	—
Redhat	Enterprise Linux Server Eus	6.3	—
Redhat	Enterprise Linux Workstation	5.0	—
Redhat	Enterprise Linux Workstation	6.0	—
Suse	Suse Linux Enterprise Software Development Kit	11.0	Sp2
Canonical	Ubuntu Linux	10.04	—
Canonical	Ubuntu Linux	11.10	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	12.10	—
Opensuse	Opensuse	11.4	—
Opensuse	Opensuse	12.1	—
Opensuse	Opensuse	12.2	—
Suse	Suse Linux Enterprise Desktop	10	Sp4
Suse	Suse Linux Enterprise Desktop	11	Sp2
Suse	Suse Linux Enterprise Server	10	Sp4
Suse	Suse Linux Enterprise Server	11	Sp2

References

http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.htmlMailing List, Third Party Advisory
http://osvdb.org/87598Broken Link
http://rhn.redhat.com/errata/RHSA-2012-1482.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-1483.htmlThird Party Advisory
http://secunia.com/advisories/51359Broken Link
http://secunia.com/advisories/51360Broken Link
http://secunia.com/advisories/51369Broken Link
http://secunia.com/advisories/51370Broken Link
http://secunia.com/advisories/51381Broken Link
http://secunia.com/advisories/51434Broken Link
http://secunia.com/advisories/51439Broken Link
http://secunia.com/advisories/51440Broken Link
http://www.mozilla.org/security/announce/2012/mfsa2012-106.htmlVendor Advisory
http://www.ubuntu.com/usn/USN-1636-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-2Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-3Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=775228Exploit, Issue Tracking, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/80183Third Party Advisory, VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2012-11/msg00021.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00022.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00090.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00092.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2012-11/msg00093.htmlMailing List, Third Party Advisory
http://osvdb.org/87598Broken Link
http://rhn.redhat.com/errata/RHSA-2012-1482.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-1483.htmlThird Party Advisory
http://secunia.com/advisories/51359Broken Link
http://secunia.com/advisories/51360Broken Link
http://secunia.com/advisories/51369Broken Link
http://secunia.com/advisories/51370Broken Link
http://secunia.com/advisories/51381Broken Link
http://secunia.com/advisories/51434Broken Link
http://secunia.com/advisories/51439Broken Link
http://secunia.com/advisories/51440Broken Link
http://www.mozilla.org/security/announce/2012/mfsa2012-106.htmlVendor Advisory
http://www.ubuntu.com/usn/USN-1636-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-1Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-2Third Party Advisory
http://www.ubuntu.com/usn/USN-1638-3Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=775228Exploit, Issue Tracking, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/80183Third Party Advisory, VDB Entry

Timeline

Published: Nov 21, 2012
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2012-5830?

How severe is CVE-2012-5830?

CVE-2012-5830 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 3.81% probability of exploitation in the next 30 days.

How do I fix CVE-2012-5830?

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-2012-5830?

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

Scan your code now

Source: NVD / NIST