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CVE-2014-1477

26
FAUCET Score

CVE-2014-1477 describes multiple unspecified vulnerabilities within the browser engine of Mozilla Firefox (before 27.0, ESR 24.x before 24.3), Thunderbird (before 24.3), and SeaMonkey (before 2.24). These flaws could lead to a denial of service through memory corruption and application crashes, or potentially arbitrary code execution. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over a network with low attack complexity, posing a high risk to confidentiality, integrity, and availability. While the FAUCET Risk Score is 80/100, 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
< 27.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
>= 24.0, < 24.3CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.24CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
< 24.3CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
12.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
5.51%
Probability of exploitation in next 30 days
EPSS Percentile
92.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0551 is in the 86th percentile among its peer group of 36,897 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: firefox-0:24.3.0-2.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:24.3.0-2.el5_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:24.3.0-2.el6_5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:24.3.0-2.el6_5
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-1477Critical

Mozilla: Miscellaneous memory safety hazards (rv:24.3) (MFSA 2014-01)

Feb 4, 2014

References

download.novell.com / Download
Broken Link
download.novell.com / Download
Broken Link
lists.fedoraproject.org / pipermail/package-announce/2014-February/127966.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / pipermail/package-announce/2014-February/129218.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2014-02/msg00004.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2014-02/msg00005.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2014-02/msg00010.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2014-03/msg00017.html
Mailing ListThird Party Advisory
osvdb.org / 102864
Broken Link
rhn.redhat.com / errata/RHSA-2014-0132.html
Third Party Advisory
rhn.redhat.com / errata/RHSA-2014-0133.html
Third Party Advisory
8pecxstudios.com
Broken LinkURL Repurposed
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue Tracking
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
secunia.com / advisories/56706
Broken Link
secunia.com / advisories/56761
Broken Link
secunia.com / advisories/56763
Broken Link
secunia.com / advisories/56767
Broken Link
secunia.com / advisories/56787
Broken Link
secunia.com / advisories/56858
Broken Link
secunia.com / advisories/56888
Broken Link
exchange.xforce.ibmcloud.com / vulnerabilities/90899
Third Party AdvisoryVDB Entry
security.gentoo.org / glsa/201504-01
Third Party Advisory
debian.org / security/2014/dsa-2858
Third Party Advisory
mozilla.org / security/announce/2014/mfsa2014-01.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
Third Party Advisory
securityfocus.com / bid/65317
Third Party AdvisoryVDB Entry
securitytracker.com / id/1029717
Third Party AdvisoryVDB Entry
securitytracker.com / id/1029720
Third Party AdvisoryVDB Entry
securitytracker.com / id/1029721
Third Party AdvisoryVDB Entry
ubuntu.com / usn/USN-2102-1
Third Party Advisory
ubuntu.com / usn/USN-2102-2
Third Party Advisory
ubuntu.com / usn/USN-2119-1
Third Party Advisory