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CVE-2014-1496

20
FAUCET Score

CVE-2014-1496 describes a local privilege escalation vulnerability affecting Mozilla Firefox, Firefox ESR, Thunderbird, and SeaMonkey versions prior to their respective updates. An attacker could exploit this by locally modifying update package contents during extraction, leading to high integrity impact. While the CVSS score is 5.5 (Medium) with low attack complexity, there is no evidence of active exploitation, public exploit code, or significant community discussion beyond a single Reddit mention.

Impacted Technologies

VendorProductVersion(s)CPE
< 28.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
>= 24.0, < 24.4CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
< 2.25CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*
< 24.4CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
11.0CPE matchmatch criteria
cpe:2.3:a:suse:suse_linux_enterprise_software_development_kit:11.0:sp3:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 37th percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 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

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-1496Moderate

Mozilla: Files extracted during updates are not always read only (MFSA 2014-16)

Mar 18, 2014

References

lists.opensuse.org / opensuse-security-announce/2014-03/msg00016.html
Mailing ListThird Party Advisory
bugzilla.mozilla.org / show_bug.cgi
ExploitIssue TrackingVendor Advisory
security.gentoo.org / glsa/201504-01
Third Party Advisory
mozilla.org / security/announce/2014/mfsa2014-16.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
Third Party Advisory