CVE-2025-8044 – Mozilla Firefox Memory Corruption Vulnerability

The following table lists the changes that have been made to the
CVE-2025-8044 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Jul. 22, 2025

    Action Type Old Value New Value
    Added Description Memory safety bugs present in Firefox 140 and Thunderbird 140. 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 < 141 and Thunderbird < 141.
    Added Reference https://bugzilla.mozilla.org/buglist.cgi?bug_id=1933572%2C1971116
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-56/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-61/
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