CVE-2025-49709
Mozilla Firefox Canvas Memory Corruption Vulnerability
Description
Certain canvas operations could have lead to memory corruption. This vulnerability affects Firefox < 139.0.4.
INFO
Published Date :
June 11, 2025, 12:15 p.m.
Last Modified :
June 12, 2025, 4:06 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
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-2025-49709.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1966083 | |
| https://www.mozilla.org/security/advisories/mfsa2025-47/ |
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-2025-49709 vulnerability anywhere in the article.
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Daily CyberSecurity
Urgent Firefox Alert: Critical Memory Corruption Flaws (CVSS 9.8) Allow Remote Code Execution
The Mozilla Foundation has issued an urgent security update for the Firefox web browser, addressing two critical vulnerabilities that could lead to memory corruption and remote code execution. Althoug ... Read more
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TheCyberThrone
Mozilla Firefox 139.0.4 Released
Mozilla has rolled out Firefox version 139.0.4 on June 10, 2025, as a part of its ongoing commitment to performance stability, user experience enhancement, and robust security. This is a point-release ... Read more
The following table lists the changes that have been made to the
CVE-2025-49709 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.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 11, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE CWE-787 -
New CVE Received by [email protected]
Jun. 11, 2025
Action Type Old Value New Value Added Description Certain canvas operations could have lead to memory corruption. This vulnerability affects Firefox < 139.0.4. Added Reference https://bugzilla.mozilla.org/show_bug.cgi?id=1966083 Added Reference https://www.mozilla.org/security/advisories/mfsa2025-47/
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-49709 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-2025-49709
weaknesses.