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CVE-2012-0456

19
FAUCET Score

CVE-2012-0456 describes an out-of-bounds read vulnerability within the SVG Filters implementation of Mozilla Firefox, Thunderbird, and SeaMonkey versions prior to their respective patches. This flaw could allow a remote attacker to obtain sensitive information from process memory. With a CVSS score of 5.0 (AV:N/AC:L/Au:N/C:P/I:N/A:N), it is a medium-severity vulnerability, indicating a network-based attack with low complexity that could lead to partial confidentiality impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.6.27CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
>= 4.0, <= 10.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:*
10.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:10.0.1:*:*:*:*:*:*:*
10.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:10.0.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.58%
Probability of exploitation in next 30 days
EPSS Percentile
83.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0259 is in the 76th percentile among its peer group of 23,703 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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-2012-0456Critical

Mozilla: SVG issues found with Address Sanitizer (MFSA 2012-14)

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
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-0387.html
rhn.redhat.com / errata/RHSA-2012-0388.html
bugzilla.mozilla.org / show_bug.cgi
Issue TrackingVendor Advisory
secunia.com / advisories/48359
secunia.com / advisories/48402
secunia.com / advisories/48414
secunia.com / advisories/48495
Third Party Advisory
secunia.com / advisories/48496
Third Party Advisory
secunia.com / advisories/48513
Third Party Advisory
secunia.com / advisories/48553
Third Party Advisory
secunia.com / advisories/48561
Third Party Advisory
secunia.com / advisories/48624
Third Party Advisory
secunia.com / advisories/48629
Third Party Advisory
secunia.com / advisories/48823
Third Party Advisory
secunia.com / advisories/48920
Third Party Advisory
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15007
Third Party Advisory
debian.org / security/2012/dsa-2433
Third Party Advisory
debian.org / security/2012/dsa-2458
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2012/mfsa2012-14.html
Third Party AdvisoryVendor Advisory
securitytracker.com / id
securitytracker.com / id
securitytracker.com / id
ubuntu.com / usn/USN-1400-1
ubuntu.com / usn/USN-1400-2
Third Party Advisory
ubuntu.com / usn/USN-1400-3
Third Party Advisory
ubuntu.com / usn/USN-1400-4
Third Party Advisory
ubuntu.com / usn/USN-1400-5
Third Party Advisory
ubuntu.com / usn/USN-1401-1
Third Party Advisory