CVE-2023-4584

Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2

Published Sep 11, 2023 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3553-1 firefox-esr security update
Debian DLA Debian DLA DLA-3554-1 thunderbird security update
Debian DSA Debian DSA DSA-5485-1 firefox-esr security update
Debian DSA Debian DSA DSA-5488-1 thunderbird security update
EUVD EUVD EUVD-2023-54438 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.
Ubuntu USN Ubuntu USN USN-6320-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-6368-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Title Mozilla: Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2 Memory safety bugs fixed in Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Dec 18, 2025, 3:23 PM
Reserved
Aug 29, 2023, 3:37 AM
Status
Modified
Published
Sep 11, 2023, 9:15 AM
Modified
Jun 17, 2026, 6:38 AM
Severity
Important
Public date
Aug 29, 2023, 12:00 AM