Is CVE-2016-1931 in the CISA KEV catalog?

No. CVE-2016-1931 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-1931?

CVE-2016-1931 has a CVSS v3 base score of 10.0 (CRITICAL).

What is the EPSS score for CVE-2016-1931?

CVE-2016-1931 has an EPSS score of 5.72% (92th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-1931?

Upgrade firefox on ubuntu 14.04 to 44.0+build3-0ubuntu0.14.04.1 or later.

CVE & CISA-KEV Catalog

CVE-2016-1931

CRITICALEPSS 92th pctl

10.0

CVSS v3

NVD

Description

Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 44.0 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via vectors related to uninitialized memory encountered during brotli data compression, and other vectors.

CWE-119Buffer Overflow

How to fix

Remediation Available

firefoxUbuntu

Fixed in:44.0+build3-0ubuntu0.14.04.1USN-2880-1

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

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

5.72%probability of exploitation in 30 days

92ndpercentile

High risk: more likely to be exploited than 92% of all known CVEs.

References

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.