CVE-2021-30665
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing
02 Description
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2021-11-03. Federal remediation due 2021-11-17.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 3.70% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 89.4% 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
- Analyzed. 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
- 2021-09-08 14:25Z5 YR AGO
- Last updated
- 2025-10-21 23:25Z1 YR AGO
- Reserved
- 2021-04-13
- Assigning CNA
- apple
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- 74ebb2f4a1441edbe31a5a350239fbe230a140780aaa3628d3d4f1e7c7ae2a3e
05 Affected products
06 References
- support.apple.comhttps://support.apple.com/en-us/HT212532
- support.apple.comhttps://support.apple.com/en-us/HT212341
- support.apple.comhttps://support.apple.com/en-us/HT212335
- support.apple.comhttps://support.apple.com/en-us/HT212336
- support.apple.comhttps://support.apple.com/en-us/HT212339
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30665
07 Fixed in
AlmaLinux 8
- LibRaw Fixed in 0.19.5-3.el8
- LibRaw-devel Fixed in 0.19.5-3.el8
- accountsservice Fixed in 0.6.55-2.el8
- accountsservice-devel Fixed in 0.6.55-2.el8
- accountsservice-libs Fixed in 0.6.55-2.el8
- gdm Fixed in 1:40.0-15.el8
- gnome-autoar Fixed in 0.2.3-2.el8
- gnome-calculator Fixed in 3.28.2-2.el8
- gnome-classic-session Fixed in 3.32.1-20.el8
- gnome-control-center Fixed in 3.28.2-28.el8
- gnome-control-center-filesystem Fixed in 3.28.2-28.el8
- gnome-online-accounts Fixed in 3.28.2-3.el8
- gnome-online-accounts-devel Fixed in 3.28.2-3.el8
- gnome-session Fixed in 3.28.1-13.el8
- gnome-session-kiosk-session Fixed in 3.28.1-13.el8
- gnome-session-wayland-session Fixed in 3.28.1-13.el8
- gnome-session-xsession Fixed in 3.28.1-13.el8
- gnome-settings-daemon Fixed in 3.32.0-16.el8.alma
- gnome-shell Fixed in 3.32.2-40.el8
- gnome-shell-extension-apps-menu Fixed in 3.32.1-20.el8
- gnome-shell-extension-auto-move-windows Fixed in 3.32.1-20.el8
- gnome-shell-extension-common Fixed in 3.32.1-20.el8
- gnome-shell-extension-dash-to-dock Fixed in 3.32.1-20.el8
- gnome-shell-extension-desktop-icons Fixed in 3.32.1-20.el8
- gnome-shell-extension-disable-screenshield Fixed in 3.32.1-20.el8
- gnome-shell-extension-drive-menu Fixed in 3.32.1-20.el8
- gnome-shell-extension-gesture-inhibitor Fixed in 3.32.1-20.el8
- gnome-shell-extension-horizontal-workspaces Fixed in 3.32.1-20.el8
- gnome-shell-extension-launch-new-instance Fixed in 3.32.1-20.el8
- gnome-shell-extension-native-window-placement Fixed in 3.32.1-20.el8
- gnome-shell-extension-no-hot-corner Fixed in 3.32.1-20.el8
- gnome-shell-extension-panel-favorites Fixed in 3.32.1-20.el8
- gnome-shell-extension-places-menu Fixed in 3.32.1-20.el8
- gnome-shell-extension-screenshot-window-sizer Fixed in 3.32.1-20.el8
- gnome-shell-extension-systemMonitor Fixed in 3.32.1-20.el8
- gnome-shell-extension-top-icons Fixed in 3.32.1-20.el8
- gnome-shell-extension-updates-dialog Fixed in 3.32.1-20.el8
- gnome-shell-extension-user-theme Fixed in 3.32.1-20.el8
- gnome-shell-extension-window-grouper Fixed in 3.32.1-20.el8
- gnome-shell-extension-window-list Fixed in 3.32.1-20.el8
17 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.
Arch Linux
- wpewebkit Fixed in 2.32.3-1
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
CloudLinux 8
- LibRaw Fixed in 0.19.5-3.el8
- LibRaw-devel Fixed in 0.19.5-3.el8
- accountsservice Fixed in 0.6.55-2.el8
- accountsservice-devel Fixed in 0.6.55-2.el8
- accountsservice-libs Fixed in 0.6.55-2.el8
- gdm Fixed in 1:40.0-15.el8
- gnome-autoar Fixed in 0.2.3-2.el8
- gnome-calculator Fixed in 3.28.2-2.el8
- gnome-classic-session Fixed in 3.32.1-20.el8
- gnome-control-center Fixed in 3.28.2-28.el8
- gnome-control-center-filesystem Fixed in 3.28.2-28.el8
- gnome-online-accounts Fixed in 3.28.2-3.el8
- gnome-online-accounts-devel Fixed in 3.28.2-3.el8
- gnome-session Fixed in 3.28.1-13.el8
- gnome-session-kiosk-session Fixed in 3.28.1-13.el8
- gnome-session-wayland-session Fixed in 3.28.1-13.el8
- gnome-session-xsession Fixed in 3.28.1-13.el8
- gnome-settings-daemon Fixed in 3.32.0-16.el8.alma
- gnome-shell Fixed in 3.32.2-40.el8
- gnome-shell-extension-apps-menu Fixed in 3.32.1-20.el8
- gnome-shell-extension-auto-move-windows Fixed in 3.32.1-20.el8
- gnome-shell-extension-common Fixed in 3.32.1-20.el8
- gnome-shell-extension-dash-to-dock Fixed in 3.32.1-20.el8
- gnome-shell-extension-desktop-icons Fixed in 3.32.1-20.el8
- gnome-shell-extension-disable-screenshield Fixed in 3.32.1-20.el8
- gnome-shell-extension-drive-menu Fixed in 3.32.1-20.el8
- gnome-shell-extension-gesture-inhibitor Fixed in 3.32.1-20.el8
- gnome-shell-extension-horizontal-workspaces Fixed in 3.32.1-20.el8
- gnome-shell-extension-launch-new-instance Fixed in 3.32.1-20.el8
- gnome-shell-extension-native-window-placement Fixed in 3.32.1-20.el8
- gnome-shell-extension-no-hot-corner Fixed in 3.32.1-20.el8
- gnome-shell-extension-panel-favorites Fixed in 3.32.1-20.el8
- gnome-shell-extension-places-menu Fixed in 3.32.1-20.el8
- gnome-shell-extension-screenshot-window-sizer Fixed in 3.32.1-20.el8
- gnome-shell-extension-systemMonitor Fixed in 3.32.1-20.el8
- gnome-shell-extension-top-icons Fixed in 3.32.1-20.el8
- gnome-shell-extension-updates-dialog Fixed in 3.32.1-20.el8
- gnome-shell-extension-user-theme Fixed in 3.32.1-20.el8
- gnome-shell-extension-window-grouper Fixed in 3.32.1-20.el8
- gnome-shell-extension-window-list Fixed in 3.32.1-20.el8
17 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 2.32.3-1
- wpewebkit Fixed in 2.32.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- webkit2gtk Fixed in 2.32.3-1
- wpewebkit Fixed in 2.32.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- webkit2gtk Fixed in 2.32.3-1
- wpewebkit Fixed in 2.32.3-1
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 2.32.3-0ubuntu0.18.04.1
- 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 2.32.3-0ubuntu0.20.04.1
- 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
- wpewebkit 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.