CVE-2016-1972

CVE-2016-1972 is a high-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Race condition in libvpx in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via unknown vectors.

Frequently asked questions

What is CVE-2016-1972?
Race condition in libvpx in Mozilla Firefox before 45.0 on Windows might allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via unknown vectors.
How severe is CVE-2016-1972?
CVE-2016-1972 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-1972 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1972?
CVE-2016-1972 affects Mozilla Firefox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-1972?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-1972 published?
CVE-2016-1972 was published on 2016-03-13 and last updated on 2026-06-17.

References

Affected products (1)

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