How severe is CVE-2016-1944?

CVE-2016-1944 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-2016-1944 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-1944?

CVE-2016-1944 primarily affects Mozilla Firefox. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-1944?

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-2016-1944 published?

CVE-2016-1944 was published on 2016-01-31 and last updated on 2026-06-17.

CVE-2016-1944

CVE-2016-1944 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: 4% (88th 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

The Buffer11::NativeBuffer11::map function in ANGLE, as used in Mozilla Firefox before 44.0, might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.

Frequently asked questions

What is CVE-2016-1944?: The Buffer11::NativeBuffer11::map function in ANGLE, as used in Mozilla Firefox before 44.0, might allow remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via unknown vectors.
How severe is CVE-2016-1944?: CVE-2016-1944 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-2016-1944 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-1944?: CVE-2016-1944 primarily affects Mozilla Firefox. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-1944?: 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-2016-1944 published?: CVE-2016-1944 was published on 2016-01-31 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:mozilla:firefox:43.0.4:*:*:*:*:*:*:*
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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