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CVE-2015-7202

32
FAUCET Score

CVE-2015-7202 describes multiple unspecified memory corruption vulnerabilities in the browser engine of Mozilla Firefox versions prior to 43.0, affecting products like fedoraproject, mozilla, and opensuse. This critical vulnerability has a CVSS score of 10.0, indicating a severe risk where unauthenticated remote attackers could cause a denial of service or potentially execute arbitrary code with low attack complexity. While there is no evidence of active exploitation (KEV: No) and no public exploit code (Metasploit, Nuclei, ExploitDB: None), the vulnerability garnered some community discussion and media coverage at the time of its disclosure.

Impacted Technologies

VendorProductVersion(s)CPE
<= 42.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*

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
5.85%
Probability of exploitation in next 30 days
EPSS Percentile
92.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0585 is in the 87th 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

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-2015-7202Critical

Mozilla: Miscellaneous memory safety hazards (rv:43.0) (MFSA 2015-134)

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-security-announce/2015-12/msg00021.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00022.html
lists.opensuse.org / opensuse-security-announce/2015-12/msg00023.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
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
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
security.gentoo.org / glsa/201512-10
mozilla.org / security/announce/2015/mfsa2015-134.html
Vendor Advisory
securityfocus.com / bid/79279
securitytracker.com / id/1034426
ubuntu.com / usn/USN-2833-1