CVE-2016-1956

CVE-2016-1956 is a medium-severity vulnerability in Mozilla Firefox with a CVSS 3.x base score of 6.5. 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-399.

Key facts

Description

Mozilla Firefox before 45.0 on Linux, when an Intel video driver is used, allows remote attackers to cause a denial of service (memory consumption or stack memory corruption) by triggering use of a WebGL shader.

Frequently asked questions

What is CVE-2016-1956?
Mozilla Firefox before 45.0 on Linux, when an Intel video driver is used, allows remote attackers to cause a denial of service (memory consumption or stack memory corruption) by triggering use of a WebGL shader.
How severe is CVE-2016-1956?
CVE-2016-1956 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-1956 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1956?
CVE-2016-1956 primarily affects Mozilla Firefox. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1956?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-1956 published?
CVE-2016-1956 was published on 2016-03-13 and last updated on 2026-06-17.

References

Affected products (5)

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