CVE-2025-1020

EPSS 0.24%
Published 04.02.2025 14:15:32
Last modified 06.02.2025 21:15:22
Source security@mozilla.org
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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.

Affected products Warnungen 0 Metrics 3 CWE 1 References 6

Data is provided by the National Vulnerability Database (NVD)

Mozilla ≫ Firefox SwEdition- Version < 135.0

Mozilla ≫ Thunderbird SwEdition- Version >= 131.0 < 135.0

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.24%	0.469

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://www.mozilla.org/security/advisories/mfsa2025-11/

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2025-07/

Vendor Advisory

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1939063%2C1942169

Broken Link

https://nvd.nist.gov/vuln/detail/CVE-2025-1020

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2025-1020

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2025-1020

EUVD