Is CVE-2024-3854 in the CISA KEV catalog?

No. CVE-2024-3854 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-3854?

CVE-2024-3854 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2024-3854?

CVE-2024-3854 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-3854?

Upgrade firefox on debian unstable to 125.0.1-1 or later. Fixes are available for 20 affected products.

CVE & CISA-KEV Catalog

CVE-2024-3854

HIGH

8.8

CVSS v3

NVD

Description

In some code patterns the JIT incorrectly optimized switch statements and generated code with out-of-bounds-reads. This vulnerability affects Firefox < 125, Firefox ESR < 115.10, and Thunderbird < 115.10.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

firefoxDebian

Fixed in:125.0.1-1CVE-2024-3854

firefoxRed Hat / RHEL

Fixed in:0:115.10.0-1.el7_9RHSA-2024:1910

Fixed in:0:115.10.0-1.el7_9.ppc64RHSA-2024:1910

Fixed in:0:115.10.0-1.el7_9RHSA-2024:1910

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el9_0RHSA-2024:1907

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

Fixed in:0:115.10.0-1.el9_0RHSA-2024:1907

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

firefoxRocky

Fixed in:0:115.10.0-1.el7_9RHSA-2024:1910

Fixed in:0:115.10.0-1.el7_9.ppc64RHSA-2024:1910

Fixed in:0:115.10.0-1.el7_9RHSA-2024:1910

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

Fixed in:0:115.10.0-1.el9_0RHSA-2024:1907

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

firefox-debuginfoRed Hat / RHEL

Fixed in:0:115.10.0-1.el7_9.ppc64RHSA-2024:1910

Fixed in:0:115.10.0-1.el7_9RHSA-2024:1910

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el9_0RHSA-2024:1907

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

firefox-debuginfoRocky

Fixed in:0:115.10.0-1.el7_9RHSA-2024:1910

Fixed in:0:115.10.0-1.el7_9.ppc64RHSA-2024:1910

Fixed in:0:115.10.0-1.el7_9RHSA-2024:1910

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el9_0RHSA-2024:1907

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

firefox-debugsourceRocky

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el9_0RHSA-2024:1907

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

firefox-debugsourceRed Hat / RHEL

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_8RHSA-2024:1909

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_2RHSA-2024:1904

Fixed in:0:115.10.0-1.el8_4RHSA-2024:1911

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el8_9RHSA-2024:1912

Fixed in:0:115.10.0-1.el8_6RHSA-2024:1906

Fixed in:0:115.10.0-1.el9_0RHSA-2024:1907

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

firefox-x11Red Hat / RHEL

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

firefox-x11Rocky

Fixed in:0:115.10.0-1.el9_3RHSA-2024:1908

Fixed in:0:115.10.0-1.el9_2RHSA-2024:1905

thunderbirdRed Hat / RHEL

Fixed in:0:115.10.0-2.el7_9RHSA-2024:1935

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

thunderbirdRocky

Fixed in:0:115.10.0-2.el7_9RHSA-2024:1935

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

thunderbird-debuginfoRocky

Fixed in:0:115.10.0-2.el7_9RHSA-2024:1935

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

thunderbird-debuginfoRed Hat / RHEL

Fixed in:0:115.10.0-2.el7_9RHSA-2024:1935

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

thunderbird-debugsourceRed Hat / RHEL

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

thunderbird-debugsourceRocky

Fixed in:0:115.10.0-2.el8_8RHSA-2024:1937

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_4RHSA-2024:1982

Fixed in:0:115.10.0-2.el8_9RHSA-2024:1939

Fixed in:0:115.10.0-2.el8_6RHSA-2024:1936

Fixed in:0:115.10.0-2.el8_2RHSA-2024:1934

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_0RHSA-2024:1938

Fixed in:0:115.10.0-2.el9_3RHSA-2024:1940

Fixed in:0:115.10.0-2.el9_2RHSA-2024:1941

firefoxUbuntu

Fixed in:125.0.2+build1-0ubuntu0.20.04.2USN-6747-1

thunderbirdUbuntu

Fixed in:1:115.10.1+build1-0ubuntu0.20.04.1USN-6750-1

Fixed in:1:115.10.1+build1-0ubuntu0.22.04.1USN-6750-1

Fixed in:1:115.10.1+build1-0ubuntu0.23.10.1USN-6750-1

DeveloperEditionWindows application

Affected:115.10Fixed in:115.10Mozilla

Affected:125.0Fixed in:125.0Mozilla

Mozilla Firefox (en-US)Windows application

Affected:115.10Fixed in:115.10Mozilla

Affected:125.0Fixed in:125.0Mozilla

Mozilla Thunderbird (en-US)Windows application

Affected:115.10Fixed in:115.10Mozilla

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

0.73%probability of exploitation in 30 days

50thpercentile

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

References

Vendor Advisory3

Third-Party Advisory2

Issue Tracking1

bugzilla.mozilla.org

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	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 2025-04-01.