CVE-2021-30818
CVE-2021-30818
This page contains facts from public vulnerability sources. Check the original advisory before updating.
This page shows selected source facts. See the linked advisories for the complete description and affected versions.
A type confusion issue was addressed with improved state handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, Safari 15, watchOS 8. Processing maliciously crafted web content may lead to arbitrary code execution.
CVSS 8.8 · High · EPSS 1.6% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
ios and ipados
- Versions
- ≥ unspecified, < 14.8: Affected (custom)
Update to 14.8
ios and ipados
- Versions
- ≥ unspecified, < 15: Affected (custom)
Update to 15
tvos
- Versions
- ≥ unspecified, < 15: Affected (custom)
Update to 15
safari
- Versions
- ≥ unspecified, < 15: Affected (custom)
Update to 15
watchos
- Versions
- ≥ unspecified, < 8: Affected (custom)
Update to 8
webkit2gtk Debian:12
- Affected ranges
- ECOSYSTEM: < 2.34.1-1
Update to 2.34.1-1
webkit2gtk Debian:13
- Affected ranges
- ECOSYSTEM: < 2.34.1-1
Update to 2.34.1-1
webkit2gtk Debian:14
- Affected ranges
- ECOSYSTEM: < 2.34.1-1
Update to 2.34.1-1
wpewebkit Debian:12
- Affected ranges
- ECOSYSTEM: < 2.34.1-1
Update to 2.34.1-1
wpewebkit Debian:13
- Affected ranges
- ECOSYSTEM: < 2.34.1-1
Update to 2.34.1-1
wpewebkit Debian:14
- Affected ranges
- ECOSYSTEM: < 2.34.1-1
Update to 2.34.1-1
qtwebkit-opensource-src Ubuntu:16.04:LTS
- Versions
- 5.4.2+dfsg-1ubuntu2.1
- 5.5.1+dfsg-2ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
webkit2gtk Ubuntu:16.04:LTS
- Versions
- 2.8.5+dfsg1-3
- 2.10.3+dfsg1-1
- 2.10.4+dfsg1-1
- 2.10.5-1
- 2.10.6-1
- 2.10.6-1ubuntu1
- 2.10.8-1ubuntu1
- 2.10.9-1ubuntu1
- 2.12.5-0ubuntu0.16.04.1
- 2.14.2-0ubuntu0.16.04.1
- 2.14.3-0ubuntu0.16.04.1
- 2.14.5-0ubuntu0.16.04.1
- 2.16.1-0ubuntu0.16.04.1
- 2.16.1-0ubuntu0.16.04.2
- 2.16.2-0ubuntu0.16.04.1
- 2.16.3-0ubuntu0.16.04.1
- 2.16.6-0ubuntu0.16.04.1
- 2.18.0-0ubuntu0.16.04.2
- 2.18.3-0ubuntu0.16.04.1
- 2.18.4-0ubuntu0.16.04.1
- 2.18.5-0ubuntu0.16.04.1
- 2.18.6-0ubuntu0.16.04.1
- 2.20.1-0ubuntu0.16.04.1
- 2.20.2-0ubuntu0.16.04.1
- 2.20.3-0ubuntu0.16.04.1
- 2.20.5-0ubuntu0.16.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtwebkit-source Ubuntu:16.04:LTS
- Versions
- 2.3.2-0ubuntu10
- 2.3.2-0ubuntu11
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
webkitgtk Ubuntu:16.04:LTS
- Versions
- 2.4.9-2ubuntu2
- 2.4.10-0ubuntu1
- 2.4.11-0ubuntu0.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
webkit2gtk Ubuntu:18.04:LTS
- Versions
- 2.18.0-2
- 2.18.0-2build1
- 2.18.2-1
- 2.18.3-1
- 2.18.4-1
- 2.18.6-1
- 2.19.91-1ubuntu1
- 2.19.92-1
- 2.20.0-1
- 2.20.0-2
- 2.20.0-2ubuntu1
- 2.20.1-1
- 2.20.2-0ubuntu0.18.04.1
- 2.20.3-0ubuntu0.18.04.1
- 2.20.5-0ubuntu0.18.04.1
- 2.22.2-0ubuntu0.18.04.1
- 2.22.2-0ubuntu0.18.04.2
- 2.22.4-0ubuntu0.18.04.1
- 2.22.5-0ubuntu0.18.04.1
- 2.22.6-0ubuntu0.18.04.1
- 2.24.1-0ubuntu0.18.04.1
- 2.24.2-0ubuntu0.18.04.1
- 2.24.4-0ubuntu0.18.04.1
- 2.26.1-0ubuntu0.18.04.1
- 2.26.2-0ubuntu0.18.04.1
- 2.26.3-0ubuntu0.18.04.1
- 2.26.4-0ubuntu0.18.04.1
- 2.28.0-0ubuntu0.18.04.3
- 2.28.1-0ubuntu0.18.04.1
- 2.28.2-0ubuntu0.18.04.1
- 2.28.3-0ubuntu0.18.04.1
- 2.28.4-0ubuntu0.18.04.1
- 2.30.3-0ubuntu0.18.04.1
- 2.30.5-0ubuntu0.18.04.1
- 2.30.6-0ubuntu0.18.04.1
- 2.32.0-0ubuntu0.18.04.1
- 2.32.3-0ubuntu0.18.04.1
- 2.32.4-0ubuntu0.18.04.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtwebkit-opensource-src Ubuntu:18.04:LTS
- Versions
- 5.9.1+dfsg-5ubuntu1
- 5.9.1+dfsg-5ubuntu3
- 5.212.0~alpha2-5build2
- 5.212.0~alpha2-5build4
- 5.212.0~alpha2-7
- 5.212.0~alpha2-7build2
- 5.212.0~alpha2-7ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtwebkit-source Ubuntu:18.04:LTS
- Versions
- 2.3.2-0ubuntu13
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
webkitgtk Ubuntu:18.04:LTS
- Versions
- 2.4.11-3
- 2.4.11-3ubuntu2
- 2.4.11-3ubuntu3
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
webkit2gtk Ubuntu:20.04:LTS
- Versions
- 2.26.1-3
- 2.26.2-1
- 2.26.3-1ubuntu2
- 2.26.4-1ubuntu1
- 2.28.0-1ubuntu2
- 2.28.1-1
- 2.28.2-0ubuntu0.20.04.1
- 2.28.3-0ubuntu0.20.04.1
- 2.28.4-0ubuntu0.20.04.1
- 2.30.3-0ubuntu0.20.04.1
- 2.30.5-0ubuntu0.20.04.1
- 2.30.6-0ubuntu0.20.04.1
- 2.32.0-0ubuntu0.20.04.1
- 2.32.3-0ubuntu0.20.04.1
- 2.32.4-0ubuntu0.20.04.1
- Affected ranges
- ECOSYSTEM: < 2.34.1-0ubuntu0.20.04.1
Update to 2.34.1-0ubuntu0.20.04.1
qtwebkit-opensource-src Ubuntu:20.04:LTS
- Versions
- 5.212.0~alpha3-3
- 5.212.0~alpha3-5
- 5.212.0~alpha3-6
- 5.212.0~alpha3-7
- 5.212.0~alpha4-1
- 5.212.0~alpha4-1ubuntu1
- 5.212.0~alpha4-1ubuntu2
- 5.212.0~alpha4-1ubuntu2.1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
wpewebkit Ubuntu:20.04:LTS
- Versions
- 2.26.3-1
- 2.26.4-1
- 2.26.4-1build1
- 2.28.0-1
- 2.28.1-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
qtwebkit-opensource-src Ubuntu:22.04:LTS
- Versions
- 5.212.0~alpha4-12
- 5.212.0~alpha4-13
- 5.212.0~alpha4-14
- 5.212.0~alpha4-14build1
- 5.212.0~alpha4-14ubuntu2
- 5.212.0~alpha4-15ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
webkit2gtk Ubuntu:22.04:LTS
- Affected ranges
- ECOSYSTEM: < 2.34.0-1ubuntu1
Update to 2.34.0-1ubuntu1
Original sources
- https://support.apple.com/en-us/HT212807
- https://support.apple.com/en-us/HT212814
- https://support.apple.com/en-us/HT212819
- https://support.apple.com/en-us/HT212815
- https://support.apple.com/en-us/HT212816
- https://support.apple.com/kb/HT212869
- http://www.openwall.com/lists/oss-security/2021/12/20/6
- https://nvd.nist.gov/vuln/detail/CVE-2021-30818