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CVE-2012-0457

31
FAUCET Score

CVE-2012-0457 is a use-after-free vulnerability in the nsSMILTimeValueSpec::ConvertBetweenTimeContainer function, affecting multiple Mozilla products including Firefox, Thunderbird, and SeaMonkey. This flaw could allow remote attackers to execute arbitrary code through specially crafted SVG animations. With a CVSS score of 9.3, it is considered critical, indicating a network-based attack with medium complexity that can lead to complete compromise of confidentiality, integrity, and availability. While no public exploit intelligence or active exploitation is reported, and community discussion is minimal, the high FAUCET Risk Score of 86/100 suggests a significant potential risk.

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

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.56%
Probability of exploitation in next 30 days
EPSS Percentile
93.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0656 is in the 68th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 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-2012-0457Critical

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
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14775
Third Party Advisory
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