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CVE-2015-7204

19
FAUCET Score

CVE-2015-7204 describes a vulnerability in Mozilla Firefox before version 43.0, where improper storage of unboxed object properties allows remote attackers to execute arbitrary code through crafted JavaScript variable assignments. This vulnerability has a CVSS score of 6.8 (Medium), indicating a network-based attack with medium complexity, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
42.1CPE matchmatch criteria
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
13.1CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
13.2CPE matchmatch criteria
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
22CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*
23CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.49%
Probability of exploitation in next 30 days
EPSS Percentile
87.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0349 is in the 83rd percentile among its peer group of 19,955 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, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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-2015-7204Moderate

Mozilla: Crash with JavaScript variable assignment with unboxed objects (MFSA 2015-135)

Dec 16, 2015

References

lists.fedoraproject.org / pipermail/package-announce/2015-December/174083.html
lists.fedoraproject.org / pipermail/package-announce/2015-December/174253.html
lists.opensuse.org / opensuse-updates/2015-12/msg00104.html
lists.opensuse.org / opensuse-updates/2016-02/msg00007.html
lists.opensuse.org / opensuse-updates/2016-02/msg00008.html
bugzilla.mozilla.org / show_bug.cgi
security.gentoo.org / glsa/201512-10
mozilla.org / security/announce/2015/mfsa2015-135.html
Vendor Advisory
securityfocus.com / bid/79280
securitytracker.com / id/1034426
ubuntu.com / usn/USN-2833-1