CVE-2023-4584

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.

Score

CVSS 3.1 8.8 High

Status

Modified - security@mozilla.org

Published

2023-09-11

Last modified

2025-12-18

Weaknesses

CWE-787

Affected products

• Firefox (Mozilla)
• Firefox Esr (Mozilla)
• Thunderbird (Mozilla)

References

• https://bugzilla.mozilla.org/buglist.cgi?bug_id=1843968%2C1845205%2C1846080%2C1846526%2C1847529
• https://www.mozilla.org/security/advisories/mfsa2023-34/
• https://www.mozilla.org/security/advisories/mfsa2023-35/
• https://www.mozilla.org/security/advisories/mfsa2023-36/
• https://www.mozilla.org/security/advisories/mfsa2023-37/
• https://www.mozilla.org/security/advisories/mfsa2023-38/