Is CVE-2015-7222 in the CISA KEV catalog?

No. CVE-2015-7222 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-7222?

CVE-2015-7222 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2015-7222?

CVE-2015-7222 has an EPSS score of 4.27% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-7222?

Upgrade firefox on ubuntu 14.04 to 43.0+build1-0ubuntu0.14.04.1 or later.

CVE & CISA-KEV Catalog

CVE-2015-7222

MEDIUMEPSS 90th pctl

6.8

CVSS v2

NVD

Description

Integer underflow in the Metadata::setData function in MetaData.cpp in libstagefright in Mozilla Firefox before 43.0 and Firefox ESR 38.x before 38.5 allows remote attackers to execute arbitrary code or cause a denial of service (incorrect memory allocation and application crash) via an MP4 video file with crafted covr metadata that triggers a buffer overflow.

CWE-189

How to fix

Remediation Available

firefoxUbuntu

Fixed in:43.0+build1-0ubuntu0.14.04.1USN-2833-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

4.27%probability of exploitation in 30 days

90thpercentile

Elevated risk: more likely to be exploited than 90% of all known CVEs.

References

Vendor Advisory1

mozilla.org

Third-Party Advisory4

Issue Tracking1

bugzilla.mozilla.org

Other references13

Related Vulnerabilities

Other CWE-189 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-1538	High	10.0	99%	-	-
CVE-2006-3747	High	7.6	96%	-	Fix
CVE-2007-0071	High	9.3	93%	-	-
CVE-2015-3829	High	10.0	90%	-	-
CVE-2015-3864	High	10.0	87%	-	-
CVE-2015-1539	High	10.0	86%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.