CVE-2020-9983

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to code execution.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.60%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com Vendor Advisory apple.com
Affected: Apple Safari
Published at:
Updated at:

References

Link Tags
https://support.apple.com/kb/HT211843 vendor advisory
https://support.apple.com/kb/HT211850 vendor advisory
https://support.apple.com/kb/HT211844 vendor advisory
https://support.apple.com/HT211845 release notes vendor advisory
https://support.apple.com/kb/HT211952 vendor advisory
http://seclists.org/fulldisclosure/2020/Nov/18 third party advisory mailing list
http://seclists.org/fulldisclosure/2020/Nov/19 third party advisory mailing list
http://seclists.org/fulldisclosure/2020/Nov/20 third party advisory mailing list
http://seclists.org/fulldisclosure/2020/Nov/22 third party advisory mailing list
http://www.openwall.com/lists/oss-security/2020/11/23/3 third party advisory mailing list
https://www.debian.org/security/2020/dsa-4797 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDGBNKYT7NMW7CJ26YFUPUHPJVYGV7IQ/ vendor advisory
https://support.apple.com/kb/HT211935 vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/ vendor advisory
https://security.gentoo.org/glsa/202012-10 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-9983?
CVE-2020-9983 has been scored as a high severity vulnerability.
How to fix CVE-2020-9983?
To fix CVE-2020-9983, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-9983 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-9983 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-9983?
CVE-2020-9983 affects Apple Safari.
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