0.0
NA
CVE-2025-9185
Mozilla Firefox/Thunderbird Memory Corruption Vulnerabilities
Description

Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.

INFO

Published Date :

Aug. 19, 2025, 9:15 p.m.

Last Modified :

Aug. 20, 2025, 2:39 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-9185 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
2 Mozilla firefox_esr
3 Mozilla thunderbird
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-9185 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-2025-9185 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-2025-9185 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-9185 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]

    Aug. 19, 2025

    Action Type Old Value New Value
    Added Description Memory safety bugs present in Firefox ESR 115.26, Firefox ESR 128.13, Thunderbird ESR 128.13, Firefox ESR 140.1, Thunderbird ESR 140.1, Firefox 141 and Thunderbird 141. 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 < 142, Firefox ESR < 115.27, Firefox ESR < 128.14, Firefox ESR < 140.2, Thunderbird < 142, Thunderbird < 128.14, and Thunderbird < 140.2.
    Added Reference https://bugzilla.mozilla.org/buglist.cgi?bug_id=1970154%2C1976782%2C1977166
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-64/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-65/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-66/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-67/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-70/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-71/
    Added Reference https://www.mozilla.org/security/advisories/mfsa2025-72/
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.