CVE-2020-9948
A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
02 Description
A type confusion issue was addressed with improved memory handling. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.69% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 76.6% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-10-16 16:52Z6 YR AGO
- Last updated
- 2024-08-04 10:50Z2 YR AGO
- Reserved
- 2020-03-02
- Assigning CNA
- apple
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-843Access of Resource Using Incompatible Type ('Type Confusion')Base
- Data version
- 5.1
- Document digest
- cfa5950aee50acafb505c91b7f7ce015969042386262bb8d2d9e2a5ef3239031
05 Affected products
06 References
- support.apple.comhttps://support.apple.com/HT211845
- seclists.org20201115 APPLE-SA-2020-11-13-5 Additional information for APPLE-SA-2020-09-16-3 Safari 14.0http://seclists.org/fulldisclosure/2020/Nov/18
- www.openwall.com[oss-security] 20201123 WebKitGTK and WPE WebKit Security Advisory WSA-2020-0008http://www.openwall.com/lists/oss-security/2020/11/23/3
- www.debian.orgDSA-4797https://www.debian.org/security/2020/dsa-4797
- security.gentoo.orgGLSA-202012-10https://security.gentoo.org/glsa/202012-10
07 Fixed in
AlmaLinux 8
- OpenEXR-devel Fixed in 2.2.0-12.el8
- OpenEXR-libs Fixed in 2.2.0-12.el8
- accountsservice-devel Fixed in 0.6.55-1.el8
- atkmm Fixed in 2.24.2-7.el8
- atkmm-devel Fixed in 2.24.2-7.el8
- atkmm-doc Fixed in 2.24.2-7.el8
- cairomm Fixed in 1.12.0-8.el8
- cairomm-devel Fixed in 1.12.0-8.el8
- cairomm-doc Fixed in 1.12.0-8.el8
- chrome-gnome-shell Fixed in 10.1-7.el8
- dleyna-core Fixed in 0.6.0-3.el8
- dleyna-server Fixed in 0.6.0-3.el8
- enchant2 Fixed in 2.2.3-3.el8
- enchant2-devel Fixed in 2.2.3-3.el8
- gamin Fixed in 0.1.10-32.el8
- gamin-devel Fixed in 0.1.10-32.el8
- geoclue2 Fixed in 2.5.5-2.el8
- geoclue2-demos Fixed in 2.5.5-2.el8
- geoclue2-devel Fixed in 2.5.5-2.el8
- geoclue2-libs Fixed in 2.5.5-2.el8
- geocode-glib Fixed in 3.26.0-3.el8
- geocode-glib-devel Fixed in 3.26.0-3.el8
- gjs Fixed in 1.56.2-5.el8
- gjs-devel Fixed in 1.56.2-5.el8
- glib2-doc Fixed in 2.56.4-9.el8
- glib2-static Fixed in 2.56.4-9.el8
- glibmm24 Fixed in 2.56.0-2.el8
- glibmm24-devel Fixed in 2.56.0-2.el8
- glibmm24-doc Fixed in 2.56.0-2.el8
- gnome-boxes Fixed in 3.36.5-8.el8
- gnome-photos Fixed in 3.28.1-4.el8
- gnome-photos-tests Fixed in 3.28.1-4.el8
- gnome-terminal Fixed in 3.28.3-3.el8
- gnome-terminal-nautilus Fixed in 3.28.3-3.el8
- gtk-doc Fixed in 1.28-3.el8
- gtk2 Fixed in 2.24.32-5.el8
- gtk2-devel Fixed in 2.24.32-5.el8
- gtk2-devel-docs Fixed in 2.24.32-5.el8
- gtk2-immodule-xim Fixed in 2.24.32-5.el8
- gtk2-immodules Fixed in 2.24.32-5.el8
41 further packages in AlmaLinux 8 not shown (first 40 listed).
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- OpenEXR-devel Fixed in 2.2.0-12.el8
- OpenEXR-libs Fixed in 2.2.0-12.el8
- accountsservice-devel Fixed in 0.6.55-1.el8
- atkmm Fixed in 2.24.2-7.el8
- atkmm-devel Fixed in 2.24.2-7.el8
- atkmm-doc Fixed in 2.24.2-7.el8
- cairomm Fixed in 1.12.0-8.el8
- cairomm-devel Fixed in 1.12.0-8.el8
- cairomm-doc Fixed in 1.12.0-8.el8
- chrome-gnome-shell Fixed in 10.1-7.el8
- dleyna-core Fixed in 0.6.0-3.el8
- dleyna-server Fixed in 0.6.0-3.el8
- enchant2 Fixed in 2.2.3-3.el8
- enchant2-devel Fixed in 2.2.3-3.el8
- gamin Fixed in 0.1.10-32.el8
- gamin-devel Fixed in 0.1.10-32.el8
- geoclue2 Fixed in 2.5.5-2.el8
- geoclue2-demos Fixed in 2.5.5-2.el8
- geoclue2-devel Fixed in 2.5.5-2.el8
- geoclue2-libs Fixed in 2.5.5-2.el8
- geocode-glib Fixed in 3.26.0-3.el8
- geocode-glib-devel Fixed in 3.26.0-3.el8
- gjs Fixed in 1.56.2-5.el8
- gjs-devel Fixed in 1.56.2-5.el8
- glib2-doc Fixed in 2.56.4-9.el8
- glib2-static Fixed in 2.56.4-9.el8
- glibmm24 Fixed in 2.56.0-2.el8
- glibmm24-devel Fixed in 2.56.0-2.el8
- glibmm24-doc Fixed in 2.56.0-2.el8
- gnome-boxes Fixed in 3.36.5-8.el8
- gnome-photos Fixed in 3.28.1-4.el8
- gnome-photos-tests Fixed in 3.28.1-4.el8
- gnome-terminal Fixed in 3.28.3-3.el8
- gnome-terminal-nautilus Fixed in 3.28.3-3.el8
- gtk-doc Fixed in 1.28-3.el8
- gtk2 Fixed in 2.24.32-5.el8
- gtk2-devel Fixed in 2.24.32-5.el8
- gtk2-devel-docs Fixed in 2.24.32-5.el8
- gtk2-immodule-xim Fixed in 2.24.32-5.el8
- gtk2-immodules Fixed in 2.24.32-5.el8
41 further packages in CloudLinux 8 not shown (first 40 listed).
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- webkit2gtk Fixed in 2.30.1-1
- wpewebkit Fixed in 2.30.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- webkit2gtk Fixed in 2.30.1-1
- wpewebkit Fixed in 2.30.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- webkit2gtk Fixed in 2.30.1-1
- wpewebkit Fixed in 2.30.0-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- qtwebkit-opensource-src No fix yet
- qtwebkit-source No fix yet
- webkit2gtk No fix yet
- webkitgtk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- qtwebkit-opensource-src No fix yet
- qtwebkit-source No fix yet
- webkit2gtk Fixed in 2.30.3-0ubuntu0.18.04.1
- webkitgtk No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- qtwebkit-opensource-src No fix yet
- webkit2gtk Fixed in 2.30.3-0ubuntu0.20.04.1
- wpewebkit No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- qtwebkit-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- qtwebkit-opensource-src No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.