Is CVE-2022-46881 in the CISA KEV catalog?

No. CVE-2022-46881 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-46881?

CVE-2022-46881 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2022-46881?

CVE-2022-46881 has an EPSS score of 0.72% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-46881?

Upgrade firefox on debian unstable to 106.0-1 or later. Fixes are available for 6 affected products.

CVE & CISA-KEV Catalog

CVE-2022-46881

HIGH

8.8

CVSS v3

NVD

Description

An optimization in WebGL was incorrect in some cases, and could have led to memory corruption and a potentially exploitable crash. *Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 106. This vulnerability affects Firefox < 106, Firefox ESR < 102.6, and Thunderbird < 102.6.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

firefoxDebian

Fixed in:106.0-1CVE-2022-46881

thunderbirdUbuntu

Fixed in:1:102.7.1+build2-0ubuntu0.18.04.1USN-5824-1

Fixed in:1:102.7.1+build2-0ubuntu0.20.04.1USN-5824-1

Fixed in:1:102.7.1+build2-0ubuntu0.22.04.1USN-5824-1

Fixed in:1:102.7.1+build2-0ubuntu0.22.10.1USN-5824-1

DeveloperEditionWindows application

Affected:106.0Fixed in:106.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:106.0Fixed in:106.0Mozilla

Mozilla Firefox ESR (en-US)Windows application

Affected:102.6Fixed in:102.6Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:102.6Fixed in:102.6Mozilla

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 InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.72%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Vendor Advisory3

Issue Tracking1

bugzilla.mozilla.org

Other references2

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2025-04-15.