CVE-2020-27918

CWE-416 — Use After Free8 documents8 sources
Severity
7.8HIGH
EPSS
0.2%
top 53.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
Apple IOS AND IpadosApple MacosApple Tvos+9 more
Timeline
PublishedDec 8
Latest updateMay 24

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, Safari 14.0.1, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages15 packages

▶CVEListV5apple/tvosunspecified — 14.2
▶NVDapple/tvos< 14.2
▶CVEListV5apple/macosunspecified — 11.0+3
▶NVDapple/macos< 11.0.1
▶NVDapple/icloud< 11.5

Also affects: Debian Linux 10.0, Fedora 32, 33, 34

🔴Vulnerability Details

3
GHSA
GHSA-w4gf-42f5-463m: A use after free issue was addressed with improved memory management↗2022-05-24
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CVEList
CVE-2020-27918: A use after free issue was addressed with improved memory management↗2020-12-08
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OSV
CVE-2020-27918: A use after free issue was addressed with improved memory management↗2020-12-08
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📋Vendor Advisories

4
Ubuntu
WebKitGTK vulnerabilities↗2021-03-29
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Red Hat
webkitgtk: Use-after-free leading to arbitrary code execution↗2021-03-22
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Apple
CVE-2020-27918: iOS 14.2 and iPadOS 14.2↗2020-11-05
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Debian
CVE-2020-27918: webkit2gtk - A use after free issue was addressed with improved memory management. This issue...↗2020
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CVE-2020-27918 (HIGH CVSS 7.8) | A use after free issue was addresse | cvebase.io