Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2012-0462

26
FAUCET Score

CVE-2012-0462 describes multiple unspecified vulnerabilities within the browser engine of Mozilla Firefox (versions 4.x-10.0, ESR 10.x before 10.0.3), Thunderbird (versions 5.0-10.0, ESR 10.x before 10.0.3), and SeaMonkey (before 2.8). These vulnerabilities carry a CVSS score of 7.5, indicating a high severity, as they can be exploited remotely with low complexity to cause denial of service through memory corruption and application crashes, or potentially lead to arbitrary code execution. Despite its severity, there is no evidence of active exploitation, publicly available exploit code in Metasploit, Nuclei, or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta1:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta10:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta11:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:4.0:beta12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.72%
Probability of exploitation in next 30 days
EPSS Percentile
88.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0372 is in the 80th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (8)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:10.0.3-1.el6_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:10.0.3-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:10.0.3-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:10.0.3-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:10.0.3-1.el6_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:10.0.3-1.el6_2
View patch
mozillavendor investigatingvia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: firefox

Vendor Advisories (1)

redhatCVE-2012-0462Critical

Mozilla: Miscellaneous memory safety hazards (rv:11.0/ rv:10.0.3 / rv:1.9.2.28) (MFSA 2012-19)

Mar 13, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-03/msg00014.html
lists.opensuse.org / opensuse-security-announce/2012-03/msg00015.html
lists.opensuse.org / opensuse-updates/2012-03/msg00042.html
rhn.redhat.com / errata/RHSA-2012-0387.html
rhn.redhat.com / errata/RHSA-2012-0388.html
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/48359
secunia.com / advisories/48402
secunia.com / advisories/48496
secunia.com / advisories/48513
secunia.com / advisories/48553
secunia.com / advisories/48561
secunia.com / advisories/48624
secunia.com / advisories/48629
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15012
mandriva.com / security/advisories
mozilla.org / security/announce/2012/mfsa2012-19.html
Vendor Advisory
securitytracker.com / id
securitytracker.com / id
securitytracker.com / id
ubuntu.com / usn/USN-1400-1
ubuntu.com / usn/USN-1400-2
ubuntu.com / usn/USN-1400-3
ubuntu.com / usn/USN-1400-4
ubuntu.com / usn/USN-1400-5