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CVE-2025-13027
Memory safety bugs fixed in Firefox 145 and Thunderbird 145
Description

Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 < 145.

INFO

Published Date :

Nov. 11, 2025, 4:15 p.m.

Last Modified :

Nov. 11, 2025, 4:15 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-13027 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mozilla firefox
: Total Affected Vendor : 1 | Products : 1
Solution
Update Firefox or Thunderbird to the latest version to fix memory corruption bugs.
  • Update Firefox to version 145 or later.
  • Update Thunderbird to version 145 or later.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-13027.

URL Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1987237%2C1990079%2C1991715%2C1994994
https://www.mozilla.org/security/advisories/mfsa2025-87/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-13027 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-13027 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-13027 vulnerability anywhere in the article.

  • CybersecurityNews
Firefox Releases Security Update to Fix Multiple Vulnerabilities Allowing Arbitrary Code Execution

Mozilla has rolled out Firefox 145, addressing a series of high-severity vulnerabilities that could allow attackers to execute arbitrary code on users’ systems. Announced on November 11, 2025, the rel ... Read more

Published Date: Nov 11, 2025 (6 hours, 12 minutes ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-13027 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]

    Nov. 11, 2025

    Action Type Old Value New Value
    Added Description Memory safety bugs present in Firefox 144 and Thunderbird 144. 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 < 145.
    Added Reference https://bugzilla.mozilla.org/buglist.cgi?bug_id=1987237%2C1990079%2C1991715%2C1994994
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-87/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.