CVE-2023-34416

Mozilla: Memory safety bugs fixed in Firefox 114 and Firefox ESR 102.12

Published Jun 19, 2023 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 ESR < 102.12, Firefox < 114, and Thunderbird < 102.12.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-3448-1 firefox-esr security update
Debian DLA Debian DLA DLA-3452-1 thunderbird security update
Debian DSA Debian DSA DSA-5421-1 firefox-esr security update
Debian DSA Debian DSA DSA-5423-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-6143-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-6147-1 SpiderMonkey vulnerability
Ubuntu USN Ubuntu USN USN-6214-1 Thunderbird vulnerabilities
History
Type Values Removed Values Added
Description Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 ESR < 102.12, Firefox < 114, and Thunderbird < 102.12. Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 ESR < 102.12, Firefox < 114, and Thunderbird < 102.12.
Weaknesses

Sources

Status
PUBLISHED
Assigner
mozilla
Published
Updated
Feb 13, 2025, 4:55 PM
Reserved
Jun 5, 2023, 4:57 PM
Status
Modified
Published
Jun 19, 2023, 11:15 AM
Modified
Oct 24, 2026, 1:10 PM
Severity
Important
Public date
Jun 6, 2023, 12:00 AM