CVE-2025-1020
"Firefox-Vulnerable Memory Corruption allows Remote Code Execution"
Description
Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 < 135 and Thunderbird < 135.
INFO
Published Date :
Feb. 4, 2025, 2:15 p.m.
Last Modified :
Feb. 6, 2025, 9:15 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-2025-1020.
| URL | Resource |
|---|---|
| https://bugzilla.mozilla.org/buglist.cgi?bug_id=1939063%2C1942169 | Broken Link |
| https://www.mozilla.org/security/advisories/mfsa2025-07/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-11/ | Vendor Advisory |
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-2025-1020 vulnerability anywhere in the article.
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The Cyber Express
CERT-In Warns of High-Severity Vulnerabilities in Mozilla Firefox and Thunderbird
The Indian Computer Emergency Response Team (CERT-In) has issued a vulnerability note (CIVN-2025-0016) highlighting a series of Mozilla vulnerability, including Firefox and Thunderbird. These vulnerab ... Read more
The following table lists the changes that have been made to the
CVE-2025-1020 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
Feb. 06, 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 -
Initial Analysis by [email protected]
Feb. 06, 2025
Action Type Old Value New Value Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CWE NIST CWE-787 Added CPE Configuration OR *cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* versions up to (excluding) 135.0 *cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* versions from (including) 131.0 up to (excluding) 135.0 Changed Reference Type https://bugzilla.mozilla.org/buglist.cgi?bug_id=1939063%2C1942169 No Types Assigned https://bugzilla.mozilla.org/buglist.cgi?bug_id=1939063%2C1942169 Broken Link Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2025-07/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2025-07/ Vendor Advisory Changed Reference Type https://www.mozilla.org/security/advisories/mfsa2025-11/ No Types Assigned https://www.mozilla.org/security/advisories/mfsa2025-11/ Vendor Advisory -
New CVE Received by [email protected]
Feb. 04, 2025
Action Type Old Value New Value Added Description Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 < 135 and Thunderbird < 135. Added Reference https://bugzilla.mozilla.org/buglist.cgi?bug_id=1939063%2C1942169 Added Reference https://www.mozilla.org/security/advisories/mfsa2025-07/ Added Reference https://www.mozilla.org/security/advisories/mfsa2025-11/
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-1020 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-2025-1020
weaknesses.