CVE-2023-4584

HIGH

Firefox <117, ESR <102.15/115.2, Thunderbird <102.15/115.2 - Out-of-bounds Write

Title source: llm
STIX 2.1

Description

Memory safety bugs present in Firefox 116, Firefox ESR 102.14, Firefox ESR 115.1, Thunderbird 102.14, and Thunderbird 115.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.

Scores

CVSS v3 8.8
EPSS 0.0029
EPSS Percentile 52.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (3)
mozilla/firefox < 117.0
mozilla/firefox_esr < 102.15
mozilla/thunderbird < 115.2
Published Sep 11, 2023
Tracked Since Feb 18, 2026