CVE-2023-25736

CRITICAL

Firefox < 110.0 - Use-After-Free via Invalid nsHTMLDocument Downcast

Title source: llm
STIX 2.1

Description

An invalid downcast from `nsHTMLDocument` to `nsIContent` could have lead to undefined behavior. This vulnerability affects Firefox < 110.

References (2)

Core 2

Scores

CVSS v3 9.8
EPSS 0.0038
EPSS Percentile 59.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

Status published
Products (1)
mozilla/firefox < 110.0
Published Jun 19, 2023
Tracked Since Feb 18, 2026