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CVE-2014-1574

27
FAUCET Score

CVE-2014-1574 describes multiple unspecified vulnerabilities within the browser engine of Mozilla Firefox (versions before 33.0 and ESR 31.x before 31.2) and Mozilla Thunderbird (versions before 31.2). These flaws could allow a remote attacker to trigger a denial of service through memory corruption and application crashes, or potentially execute arbitrary code. With a CVSS score of 7.5, this vulnerability is considered high severity, indicating a network-based attack with low complexity and no authentication required. Successful exploitation could lead to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, and no public exploit code is available on platforms like Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal, suggesting it has not garnered significant attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 32.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
30.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:30.0:*:*:*:*:*:*:*
31.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:31.0:*:*:*:*:*:*:*
31.1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:31.1.0:*:*:*:*:*:*:*
31.0CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:31.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.90%
Probability of exploitation in next 30 days
EPSS Percentile
89.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0390 is in the 81st percentile among its peer group of 51,551 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: firefox-0:31.2.0-3.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: thunderbird-0:31.2.0-2.el5_11
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:31.2.0-3.el6_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:31.2.0-3.el6_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:31.2.0-3.el7_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: xulrunner-0:31.2.0-1.el7_0
View patch
mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-1574Critical

Mozilla: Miscellaneous memory safety hazards (rv:31.2) (MFSA 2014-74)

Oct 14, 2014

References

lists.fedoraproject.org / pipermail/package-announce/2014-November/141796.html
lists.fedoraproject.org / pipermail/package-announce/2014-October/141085.html
lists.opensuse.org / opensuse-security-announce/2015-01/msg00024.html
lists.opensuse.org / opensuse-security-announce/2015-07/msg00031.html
lists.opensuse.org / opensuse-updates/2014-11/msg00000.html
lists.opensuse.org / opensuse-updates/2014-11/msg00001.html
lists.opensuse.org / opensuse-updates/2014-11/msg00002.html
lists.opensuse.org / opensuse-updates/2014-11/msg00003.html
rhn.redhat.com / errata/RHSA-2014-1635.html
rhn.redhat.com / errata/RHSA-2014-1647.html
advisories.mageia.org / MGASA-2014-0421.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
bugzilla.mozilla.org / show_bug.cgi
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/61387
secunia.com / advisories/61854
secunia.com / advisories/62021
secunia.com / advisories/62022
secunia.com / advisories/62023
security.gentoo.org / glsa/201504-01
debian.org / security/2014/dsa-3050
debian.org / security/2014/dsa-3061
mozilla.org / security/announce/2014/mfsa2014-74.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2015-2511959.html
securityfocus.com / bid/70436
securitytracker.com / id/1031028
securitytracker.com / id/1031030
ubuntu.com / usn/USN-2372-1
ubuntu.com / usn/USN-2373-1