8.8

CVE-2021-23979

Exploit

EPSS 0.34%
Published 26.02.2021 16:15:12
Last modified 21.11.2024 05:52:08
Source security@mozilla.org
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Mozilla developers reported memory safety bugs present in Firefox 85. 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 < 86.

Affected products Warnungen 0 Metrics 3 CWE 1 References 5

Data is provided by the National Vulnerability Database (NVD)

Mozilla ≫ Firefox Version < 86.0

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

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.34%	0.561

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	8.8	2.8	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvd@nist.gov	6.8	8.6	6.4	AV:N/AC:M/Au:N/C:P/I:P/A:P

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/mfsa2021-07/

Vendor Advisory

Release Notes

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1663222%2C1666607%2C1672120%2C1678463%2C1678927%2C1679560%2C1681297%2C1681684%2C1683490%2C1684377%2C1684902

Vendor Advisory

Exploit

Issue Tracking

https://nvd.nist.gov/vuln/detail/CVE-2021-23979

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-23979

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-23979

EUVD