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CVE-2014-1537

26
FAUCET Score

CVE-2014-1537 is a critical use-after-free vulnerability in the mozilla::dom::workers::WorkerPrivateParent function within Mozilla Firefox versions prior to 30.0. This flaw allows remote attackers to execute arbitrary code or cause a denial of service through heap memory corruption. With a CVSS score of 10.0, it presents a high-severity risk, indicating network-based exploitation with low attack complexity and complete compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 29.0.1CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

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
4.80%
Probability of exploitation in next 30 days
EPSS Percentile
91.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0480 is in the 84th percentile among its peer group of 51,553 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Vendor Patches (1)

mozillavendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2014-1537Critical

Mozilla: Use-after-free and out of bounds issues found using Address Sanitizer (MFSA 2014-49)

Jun 10, 2014

References

lists.opensuse.org / opensuse-security-announce/2014-06/msg00019.html
lists.opensuse.org / opensuse-security-announce/2014-06/msg00023.html
lists.opensuse.org / opensuse-updates/2014-06/msg00040.html
lists.opensuse.org / opensuse-updates/2014-07/msg00001.html
lists.opensuse.org / opensuse-updates/2014-07/msg00004.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/59052
secunia.com / advisories/59171
secunia.com / advisories/59229
secunia.com / advisories/59377
secunia.com / advisories/59387
secunia.com / advisories/59425
secunia.com / advisories/59486
secunia.com / advisories/59866
security.gentoo.org / glsa/201504-01
mozilla.org / security/announce/2014/mfsa2014-49.html
Vendor Advisory
oracle.com / technetwork/topics/security/bulletinapr2016-2952098.html
securityfocus.com / bid/67971
securitytracker.com / id/1030386
securitytracker.com / id/1030388
ubuntu.com / usn/USN-2243-1