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CVE-2014-1547

34
FAUCET Score

CVE-2014-1547 describes multiple unspecified vulnerabilities within the browser engine of Mozilla Firefox (before 31.0), Firefox ESR (before 24.7), and Thunderbird (before 24.7). These critical vulnerabilities, with a CVSS score of 10.0, allow remote attackers to cause a denial of service through memory corruption and application crashes, or potentially execute arbitrary code with low attack complexity and no authentication required. Despite its high severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal 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

10.0HIGH

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

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

Exploit Intelligence

EPSS Score
5.59%
Probability of exploitation in next 30 days
EPSS Percentile
92.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0559 is in the 86th 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 (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-2014-1547Critical

Mozilla: Miscellaneous memory safety hazards (rv:24.7) (MFSA 2014-56)

Jul 22, 2014

References

linux.oracle.com / errata/ELSA-2014-0918.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
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/mfsa2014-56.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/68811
securitytracker.com / id/1030619
securitytracker.com / id/1030620