Is CVE-2023-4048 in the CISA KEV catalog?

No. CVE-2023-4048 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-4048?

CVE-2023-4048 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2023-4048?

CVE-2023-4048 has an EPSS score of 0.83% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-4048?

Upgrade firefox on debian unstable to 116.0-1 or later. Fixes are available for 19 affected products.

CVE & CISA-KEV Catalog

CVE-2023-4048

HIGH

7.5

CVSS v3

NVD

Description

An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

firefoxDebian

Fixed in:116.0-1CVE-2023-4048

firefoxRocky

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4461

Fixed in:0:102.14.0-1.el7_9.ppc64RHSA-2023:4461

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4461

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4460

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4460

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

firefoxRed Hat / RHEL

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4461

Fixed in:0:102.14.0-1.el7_9.ppc64RHSA-2023:4461

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4461

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4460

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

firefox-debuginfoRed Hat / RHEL

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4461

Fixed in:0:102.14.0-1.el7_9.ppc64RHSA-2023:4461

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4460

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

firefox-debuginfoRocky

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4461

Fixed in:0:102.14.0-1.el7_9.ppc64RHSA-2023:4461

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4461

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4460

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

firefox-debugsourceRed Hat / RHEL

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4460

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

firefox-debugsourceRocky

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4464

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4460

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4469

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4463

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4468

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4465

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

firefox-x11Red Hat / RHEL

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

firefox-x11Rocky

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4462

thunderbirdRocky

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4495

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

thunderbirdRed Hat / RHEL

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4495

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

thunderbird-debuginfoRocky

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4495

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

thunderbird-debuginfoRed Hat / RHEL

Fixed in:0:102.14.0-1.el7_9RHSA-2023:4495

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

thunderbird-debugsourceRocky

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

thunderbird-debugsourceRed Hat / RHEL

Fixed in:0:102.14.0-1.el8_4RHSA-2023:4500

Fixed in:0:102.14.0-1.el8_8RHSA-2023:4497

Fixed in:0:102.14.0-1.el8_2RHSA-2023:4496

Fixed in:0:102.14.0-1.el8_6RHSA-2023:4493

Fixed in:0:102.14.0-1.el8_1RHSA-2023:4492

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

Fixed in:0:102.14.0-1.el9_0RHSA-2023:4494

Fixed in:0:102.14.0-1.el9_2RHSA-2023:4499

firefoxUbuntu

Fixed in:116.0+build2-0ubuntu0.20.04.2USN-6267-1

thunderbirdUbuntu

Fixed in:1:102.15.0+build1-0ubuntu0.20.04.1USN-6333-1

Fixed in:1:102.15.0+build1-0ubuntu0.22.04.1USN-6333-1

Fixed in:1:102.15.0+build1-0ubuntu0.23.04.1USN-6333-1

DeveloperEditionWindows application

Affected:115.0 115.1Fixed in:115.1Mozilla

Affected:116.0Fixed in:116.0Mozilla

Affected:102.0 102.14Fixed in:102.14Mozilla

Mozilla Firefox (en-US)Windows application

Affected:102.0 102.14Fixed in:102.14Mozilla

Affected:116.0Fixed in:116.0Mozilla

Affected:115.0 115.1Fixed in:115.1Mozilla

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

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.83%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Vendor Advisory3

Third-Party Advisory4

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

Embed a live status badge for CVE-2023-4048

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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 2024-11-21.