CVE-2020-9983

moderate-risk

Published 2020-10-16

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.

Do I need to act?

1.3% chance of exploitation in next 30 days

EPSS score — moderate exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 8.8/10 High

NETWORK / LOW complexity

Affected Products (9)

Icloud

Itunes

Safari

Ipados

Iphone Os

Tvos

Watchos

Fedora

Affected Vendors

Apple Fedoraproject

References (30)

Mailing List http://seclists.org/fulldisclosure/2020/Nov/18

Mailing List http://seclists.org/fulldisclosure/2020/Nov/19

Mailing List http://seclists.org/fulldisclosure/2020/Nov/20

Mailing List http://seclists.org/fulldisclosure/2020/Nov/22

Mailing List http://www.openwall.com/lists/oss-security/2020/11/23/3

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...

Third Party Advisory https://security.gentoo.org/glsa/202012-10

Release Notes https://support.apple.com/HT211845

Vendor Advisory https://support.apple.com/kb/HT211843

Vendor Advisory https://support.apple.com/kb/HT211844

Vendor Advisory https://support.apple.com/kb/HT211850

Vendor Advisory https://support.apple.com/kb/HT211935

Vendor Advisory https://support.apple.com/kb/HT211952

Third Party Advisory https://www.debian.org/security/2020/dsa-4797

Mailing List http://seclists.org/fulldisclosure/2020/Nov/18

Mailing List http://seclists.org/fulldisclosure/2020/Nov/19

Mailing List http://seclists.org/fulldisclosure/2020/Nov/20

Mailing List http://seclists.org/fulldisclosure/2020/Nov/22

Mailing List http://www.openwall.com/lists/oss-security/2020/11/23/3

and 10 more references

/ 100

moderate-risk

Severity 30/34 · Critical

Exploitability 4/34 · Minimal

Exposure 15/34 · Moderate