CVE-2020-9947
Reported by apple · Published December 8, 2020
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, Safari 14.0. Processing maliciously crafted web content may lead to arbitrary code execution.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| webkit2gtk | Alpine | 2.30.5-r0 |
| ipados | apple | 14.0 |
| watchos | apple | 7.0 |
| itunes | apple | 12.10.9 |
| Safari | Apple | 14.0 |
| icloud | apple | 11.5.0 |
| iOS and iPadOS | Apple | 14.0 |
| tvos | apple | 14.0 |
| webkit2gtk | Ubuntu:18.04:LTS | 2.30.3-0ubuntu0.18.04.1 |
| iphone_os | apple | 14.0 |
| webkit2gtk | Ubuntu:20.04:LTS | 2.30.3-0ubuntu0.20.04.1 |
| iCloud for Windows | Apple | 11.5 |
1 more packages have a fixed version. See every fix in Lookup.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Apple | tvOS | unspecified |
| Apple | watchOS | unspecified |
| Apple | Safari | unspecified |
| Apple | iOS and iPadOS | unspecified |
| Apple | iCloud for Windows | unspecified |
| Apple | iTunes for Windows | unspecified |
| Apple | Safari | * |
| Apple | iOS and iPadOS | * |
| Apple | tvOS | * |
| alpine | webkit2gtk | 0 |
| Apple | watchOS | * |
| Apple | iCloud for Windows | * |
| Apple | iTunes for Windows | * |
Timeline
- Dec 3, 2020 CVE Published
- Apr 14, 2021 EPSS Score (30 in total, the first dated here)
- Mar 10, 2026 Security Advisory (3 in total, the first dated here)
- Aug 28, 2026 Coalition ESS Score
- Sep 20, 2026 CVE Updated
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln CVE-2020-9947
vulnetix vdb fixes CVE-2020-9947
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/CVE-2020-9947/fixes/registry"
The Community plan is free and allows 50 queries a day. Get a free API key · API quickstart
References
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- [oss-security] 20210322 WebKitGTK and WPE WebKit Security Advisory WSA-2021-0002 mailing-listx_refsource_MLIST
- GLSA-202104-03 vendor-advisoryx_refsource_GENTOO