Out-of-bounds Write The advisory has been revoked - it doesn't affect any version of package webkitgtk4-plugin-process-gtk2 (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL7-WEBKITGTK4PLUGINPROCESSGTK2-1403643
- published26 Jul 2021
- disclosed23 Nov 2020
Introduced: 23 Nov 2020
CVE-2020-9983 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:7.
NVD Description
Note: Versions mentioned in the description apply only to the upstream webkitgtk4-plugin-process-gtk2 package and not the webkitgtk4-plugin-process-gtk2 package as distributed by RHEL.
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.
References
- https://support.apple.com/kb/HT211843
- https://support.apple.com/kb/HT211844
- https://support.apple.com/kb/HT211850
- https://support.apple.com/kb/HT211935
- https://support.apple.com/kb/HT211952
- https://access.redhat.com/security/cve/CVE-2020-9983
- https://www.debian.org/security/2020/dsa-4797
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PDGBNKYT7NMW7CJ26YFUPUHPJVYGV7IQ/
- http://seclists.org/fulldisclosure/2020/Nov/18
- http://seclists.org/fulldisclosure/2020/Nov/19
- http://seclists.org/fulldisclosure/2020/Nov/20
- http://seclists.org/fulldisclosure/2020/Nov/22
- https://security.gentoo.org/glsa/202012-10
- https://support.apple.com/HT211845
- http://www.openwall.com/lists/oss-security/2020/11/23/3
- https://access.redhat.com/errata/RHSA-2021:1586
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDGBNKYT7NMW7CJ26YFUPUHPJVYGV7IQ/