CVE-2021-1788 — Use After Free in Apple IOS AND Ipados

CWE-416 — Use After Free9 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.4%
top 38.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
10
Apple IOS AND IpadosApple MacosApple Ipados+7 more
Timeline
PublishedApr 2
Latest updateMay 24

Description

A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages9 packages

▶NVDapple/tvos< 14.4
▶CVEListV5apple/macosunspecified — 11.2+3
▶NVDapple/macos11.0 — 11.2
▶NVDapple/ipados< 14.4
▶NVDapple/safari< 14.0.3

Also affects: Debian Linux 10.0, Fedora 33

🔴Vulnerability Details

3
GHSA
GHSA-7xrr-c599-c43j: A use after free issue was addressed with improved memory management↗2022-05-24
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OSV
CVE-2021-1788: A use after free issue was addressed with improved memory management↗2021-04-02
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CVEList
CVE-2021-1788: A use after free issue was addressed with improved memory management↗2021-04-02
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📋Vendor Advisories

5
Ubuntu
WebKitGTK vulnerabilities↗2021-05-10
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Red Hat
webkitgtk: Use-after-free leading to arbitrary code execution↗2021-03-29
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Apple
CVE-2021-1788: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave↗2021-02-01
▶
Apple
CVE-2021-1788: iOS 14.4 and iPadOS 14.4↗2021-01-26
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Debian
CVE-2021-1788: webkit2gtk - A use after free issue was addressed with improved memory management. This issue...↗2021
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CVE-2021-1788 — Use After Free in Apple IOS AND Ipados | cvebase