CVE-2021-30661
CVE-2021-30661
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 use after free issue was addressed with improved memory management. This issue is fixed in Safari 14.1, iOS 12.5.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
CVSS 8.8 · High · EPSS 4.5% · In KEV · Fix available
- Published
- Updated
Stack: system
Affected products and versions
ios and ipados
- Versions
- ≥ unspecified, < 14.5: Affected (custom)
Update to 14.5
safari
- Versions
- ≥ unspecified, < 14.1: Affected (custom)
Update to 14.1
tvos
- Versions
- ≥ unspecified, < 14.5: Affected (custom)
Update to 14.5
watchos
- Versions
- ≥ unspecified, < 7.4: Affected (custom)
Update to 7.4
macos
- Versions
- ≥ unspecified, < 11.3: Affected (custom)
Update to 11.3
macos
- Versions
- ≥ unspecified, < 12.5: Affected (custom)
Update to 12.5
webkit2gtk Debian:12
- Affected ranges
- ECOSYSTEM: < 2.30.1-1
Update to 2.30.1-1
webkit2gtk Debian:13
- Affected ranges
- ECOSYSTEM: < 2.30.1-1
Update to 2.30.1-1
webkit2gtk Debian:14
- Affected ranges
- ECOSYSTEM: < 2.30.1-1
Update to 2.30.1-1
wpewebkit Debian:12
- Affected ranges
- ECOSYSTEM: < 2.30.0-1
Update to 2.30.0-1
wpewebkit Debian:13
- Affected ranges
- ECOSYSTEM: < 2.30.0-1
Update to 2.30.0-1
wpewebkit Debian:14
- Affected ranges
- ECOSYSTEM: < 2.30.0-1
Update to 2.30.0-1
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
- Affected ranges
- ECOSYSTEM: < 2.30.3-0ubuntu0.18.04.1
Update to 2.30.3-0ubuntu0.18.04.1
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
- Affected ranges
- ECOSYSTEM: < 2.30.3-0ubuntu0.20.04.1
Update to 2.30.3-0ubuntu0.20.04.1
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
Original sources
- https://support.apple.com/en-us/HT212317
- https://support.apple.com/en-us/HT212323
- https://support.apple.com/en-us/HT212324
- https://support.apple.com/en-us/HT212325
- https://support.apple.com/en-us/HT212341
- https://support.apple.com/en-us/HT212318
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30661
- https://nvd.nist.gov/vuln/detail/CVE-2021-30661