CVE-2023-4048

High

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMozilla Firefox
PublishedAug 1, 2023
First seenAug 1, 2023

How to fix

Update
  • mozilla firefox116.0, 102.14, 115.1 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 116.0, 102.0 ≤ v < 102.14, 115.0 ≤ v < 115.1116.0, 102.14, 115.1
debian debian_linux10.0, 11.0, 12.0—

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CVE-2023-4048 · Mozilla Firefox · Dark Radar