CVE-2023-4048

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CVSS 3.1

7.5 high

EPSS

<1%p59

Published

Aug 1, 2023 (Aug 1, 2023)

Modified

Jun 17, 2026

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.

Vendors: mozilla debian
Products: firefox, debian linux
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.9%)

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