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CVE-2014-1556

31
FAUCET Score

CVE-2014-1556 describes a critical arbitrary code execution vulnerability affecting Mozilla Firefox (versions prior to 31.0), Firefox ESR (prior to 24.7), and Thunderbird (prior to 24.7). This flaw allows remote attackers to execute malicious code by tricking users into viewing specially crafted WebGL content, particularly when constructed with the Cesium JavaScript library. With a CVSS score of 9.3, this vulnerability is highly severe, indicating a network-based attack with high impact on confidentiality, integrity, and availability, though it requires some user interaction (medium attack complexity). 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
<= 30.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
24.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:24.0:*:*:*:*:*:*:*
24.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:24.0.1:*:*:*:*:*:*:*
24.0.2CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:24.0.2:*:*:*:*:*:*:*
24.1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:24.1.0:*:*:*:*:*:*:*

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
3.76%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0376 is in the 50th percentile among its peer group of 8,920 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 (7)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:24.7.0-1.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:24.7.0-1.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:24.7.0-1.el6_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:24.7.0-1.el6_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:24.7.0-1.el7_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: xulrunner-0:24.7.0-1.el7_0
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-1556Critical

Mozilla: Exploitable WebGL crash with Cesium JavaScript library (MFSA 2014-62)

Jul 22, 2014

References

linux.oracle.com / errata/ELSA-2014-0918.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/59591
secunia.com / advisories/59719
secunia.com / advisories/59760
secunia.com / advisories/60083
secunia.com / advisories/60306
secunia.com / advisories/60486
secunia.com / advisories/60621
secunia.com / advisories/60628
security.gentoo.org / glsa/201504-01
debian.org / security/2014/dsa-2986
debian.org / security/2014/dsa-2996
mozilla.org / security/announce/2014/mfsa2014-62.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/68822
securitytracker.com / id/1030619
securitytracker.com / id/1030620