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CVE-2012-3967

31
FAUCET Score

CVE-2012-3967 describes a critical vulnerability in the WebGL implementation of Mozilla Firefox, Thunderbird, and SeaMonkey on Linux, specifically affecting versions before 15.0 (and ESR 10.x before 10.0.7). This flaw, triggered by a large number of sampler uniforms, improperly interacts with Mesa drivers, allowing remote attackers to execute arbitrary code or cause a denial of service through stack memory corruption via a crafted website. With a CVSS score of 9.3, this vulnerability is highly severe, requiring medium attack complexity but offering complete confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 15.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
>= 10.0, < 10.0.7CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.12CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
< 15.0CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
>= 10.0, < 10.0.7CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*

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
4.39%
Probability of exploitation in next 30 days
EPSS Percentile
90.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0439 is in the 55th percentile among its peer group of 8,913 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 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 (7)

mozillapatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:10.0.7-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xulrunner-0:10.0.7-2.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:10.0.7-1.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:10.0.7-1.el6_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: xulrunner-0:10.0.7-1.el6_3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:10.0.7-1.el6_3
View patch

Vendor Advisories (1)

redhatCVE-2012-3967Critical

Mozilla: WebGL use-after-free and memory corruption (MFSA 2012-62)

Aug 28, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-08/msg00028.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00011.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2012-09/msg00014.html
Mailing ListThird Party Advisory
rhn.redhat.com / errata/RHSA-2012-1210.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2012-1211.html
Third Party Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingPatchVendor Advisory
mozilla.org / security/announce/2012/mfsa2012-62.html
Vendor Advisory
securityfocus.com / bid/55277
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-1548-1
Third Party Advisory
ubuntu.com / usn/USN-1548-2
Third Party Advisory
xerox.com / download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf
Third Party Advisory