Vulnerability · Published Sep 8, 2021 · Assigned by apple
CVE-2021-1826
Medium 6.1
In plain English
A medium-severity security flaw in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.1%top 33.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A logic issue was addressed with improved restrictions. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. Processing maliciously crafted web content may lead to universal cross site scripting.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | OpenEXR-devel | 2.2.0-12.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | OpenEXR-libs | 2.2.0-12.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | accountsservice-devel | 0.6.55-1.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | atkmm | 2.24.2-7.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | atkmm-devel | 2.24.2-7.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | atkmm-doc | 2.24.2-7.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | cairomm | 1.12.0-8.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | cairomm-devel | 1.12.0-8.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | cairomm-doc | 1.12.0-8.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | chrome-gnome-shell | 10.1-7.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | dleyna-core | 0.6.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | dleyna-server | 0.6.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | enchant2 | 2.2.3-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | enchant2-devel | 2.2.3-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gamin | 0.1.10-32.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gamin-devel | 0.1.10-32.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | geoclue2 | 2.5.5-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | geoclue2-demos | 2.5.5-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | geoclue2-devel | 2.5.5-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | geoclue2-libs | 2.5.5-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | geocode-glib | 3.26.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | geocode-glib-devel | 3.26.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gjs | 1.56.2-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gjs-devel | 1.56.2-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | glib2-doc | 2.56.4-9.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | glib2-static | 2.56.4-9.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | glibmm24 | 2.56.0-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | glibmm24-devel | 2.56.0-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | glibmm24-doc | 2.56.0-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gnome-boxes | 3.36.5-8.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gnome-photos | 3.28.1-4.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gnome-photos-tests | 3.28.1-4.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gnome-terminal | 3.28.3-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gnome-terminal-nautilus | 3.28.3-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtk-doc | 1.28-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtk2 | 2.24.32-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtk2-devel | 2.24.32-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtk2-devel-docs | 2.24.32-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtk2-immodule-xim | 2.24.32-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtk2-immodules | 2.24.32-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtkmm24 | 2.24.5-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtkmm24-devel | 2.24.5-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtkmm24-docs | 2.24.5-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtkmm30 | 3.22.2-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtkmm30-devel | 3.22.2-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gtkmm30-doc | 3.22.2-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-afc | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-afp | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-archive | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-client | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-devel | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-fuse | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-goa | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-gphoto2 | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-mtp | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | gvfs-smb | 1.36.2-11.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libdazzle | 3.28.5-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libdazzle-devel | 3.28.5-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libepubgen | 0.1.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libepubgen-devel | 0.1.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libsass | 3.4.5-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libsass-devel | 3.4.5-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libsigc++20 | 2.10.0-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libsigc++20-devel | 2.10.0-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libsigc++20-doc | 2.10.0-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libvisual | 1:0.4.0-25.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | libvisual-devel | 1:0.4.0-25.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | mutter-devel | 3.32.2-57.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | nautilus | 3.28.1-15.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | nautilus-devel | 3.28.1-15.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | nautilus-extensions | 3.28.1-15.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | pangomm | 2.40.1-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | pangomm-devel | 2.40.1-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | pangomm-doc | 2.40.1-6.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | soundtouch | 2.0.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | soundtouch-devel | 2.0.0-3.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | vala | 0.40.19-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | vala-devel | 0.40.19-2.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | woff2 | 1.0.2-5.el8 | ALSA-2021:1586 |
| AlmaLinux:8 | woff2-devel | 1.0.2-5.el8 | ALSA-2021:1586 |
| Alpine:v3.20 | webkit2gtk | 2.30.0-r0 | ALPINE-CVE-2021-1826 |
| Debian:12 | webkit2gtk | 2.30.1-1 | DEBIAN-CVE-2021-1826 |
| Debian:13 | webkit2gtk | 2.30.1-1 | DEBIAN-CVE-2021-1826 |
| Debian:14 | webkit2gtk | 2.30.1-1 | DEBIAN-CVE-2021-1826 |
| Debian:12 | wpewebkit | 2.30.0-1 | DEBIAN-CVE-2021-1826 |
| Debian:13 | wpewebkit | 2.30.0-1 | DEBIAN-CVE-2021-1826 |
| Debian:14 | wpewebkit | 2.30.0-1 | DEBIAN-CVE-2021-1826 |
| Rocky Linux:8 | OpenEXR | 0:2.2.0-12.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | accountsservice | 0:0.6.55-1.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | atkmm | 0:2.24.2-7.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | cairomm | 0:1.12.0-8.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | chrome-gnome-shell | 0:10.1-7.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | dleyna-core | 0:0.6.0-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | dleyna-server | 0:0.6.0-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | enchant2 | 0:2.2.3-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gamin | 0:0.1.10-32.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gdm | 1:3.28.3-39.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | geoclue2 | 0:2.5.5-2.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | geocode-glib | 0:3.26.0-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gjs | 0:1.56.2-5.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | glibmm24 | 0:2.56.0-2.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-boxes | 0:3.36.5-8.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-boxes | 0:3.36.5-8.el8.rocky.0.1 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-control-center | 0:3.28.2-27.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-online-accounts | 0:3.28.2-2.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-photos | 0:3.28.1-4.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-settings-daemon | 0:3.32.0-14.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-shell | 0:3.32.2-30.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-software | 0:3.36.1-5.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gnome-terminal | 0:3.28.3-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gtk-doc | 0:1.28-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gtk2 | 0:2.24.32-5.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gtkmm24 | 0:2.24.5-6.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gtkmm30 | 0:3.22.2-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | gvfs | 0:1.36.2-11.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | libdazzle | 0:3.28.5-2.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | libepubgen | 0:0.1.0-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | libsass | 0:3.4.5-6.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | libsigc++20 | 0:2.10.0-6.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | libvisual | 1:0.4.0-25.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | mutter | 0:3.32.2-57.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | nautilus | 0:3.28.1-15.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | pangomm | 0:2.40.1-6.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | soundtouch | 0:2.0.0-3.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | vala | 0:0.40.19-2.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | webkit2gtk3 | 0:2.30.4-1.el8 | RLSA-2021:1586 |
| Rocky Linux:8 | woff2 | 0:1.0.2-5.el8 | RLSA-2021:1586 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-1826 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2021-1826 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2021-1826 |
Affected products (as reported)
References
- https://support.apple.com/en-us/HT212317 x_refsource_MISC
- https://support.apple.com/en-us/HT212323 x_refsource_MISC
- https://support.apple.com/en-us/HT212324 x_refsource_MISC
- https://support.apple.com/en-us/HT212325 x_refsource_MISC