How severe is CVE-2016-1930?

CVE-2016-1930 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-1930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1930?

CVE-2016-1930 primarily affects Mozilla Firefox. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1930?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-1930 published?

CVE-2016-1930 was published on 2016-01-31 and last updated on 2026-06-17.

CVE-2016-1930

CVE-2016-1930 is a critical-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Mozilla Firefox
Published: 2016-01-31
Last modified: 2026-06-17

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 and Firefox ESR 38.x before 38.6 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.

Frequently asked questions

What is CVE-2016-1930?: Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 and Firefox ESR 38.x before 38.6 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
How severe is CVE-2016-1930?: CVE-2016-1930 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1930?: CVE-2016-1930 primarily affects Mozilla Firefox. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1930?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-1930 published?: CVE-2016-1930 was published on 2016-01-31 and last updated on 2026-06-17.

References

Affected products (13)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.3.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.4.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:38.5.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*

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