CVE-2025-43536 — Use After Free in Apple IOS AND Ipados

CWE-416 — Use After Free13 documents9 sources
Severity
4.3MEDIUMNVD
EPSS
0.1%
top 81.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Apple IOS AND IpadosApple MacosApple Safari+2 more
Timeline
PublishedDec 17
Latest updateJan 13

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LExploitability: 2.8 | Impact: 1.4

Affected Packages7 packages

▶NVDapple/ipados26.0 — 26.2+1
▶CVEListV5apple/ios_and_ipados< 18.7.3+1
▶CVEListV5apple/macos< 26.2
▶NVDapple/macos< 26.2
▶CVEListV5apple/safari< 26.2

🔴Vulnerability Details

4
OSV
CVE-2025-43536: A use-after-free issue was addressed with improved memory management↗2025-12-17
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GHSA
GHSA-9q7c-3v6c-w3ww: A use-after-free issue was addressed with improved memory management↗2025-12-17
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CVEList
CVE-2025-43536: A use-after-free issue was addressed with improved memory management↗2025-12-17
▶
OSV
CVE-2025-43536: A use-after-free issue was addressed with improved memory management↗2025-12-17
▶

📋Vendor Advisories

7
Ubuntu
WebKitGTK vulnerabilities↗2026-01-13
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Red Hat
webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash↗2025-12-17
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Apple
CVE-2025-43536: iOS 26.2 and iPadOS 26.2↗2025-12-12
▶
Apple
CVE-2025-43536: macOS Tahoe 26.2↗2025-12-12
▶
Apple
CVE-2025-43536: iOS 18.7.3 and iPadOS 18.7.3↗2025-12-12
▶

🕵️Threat Intelligence

1
Wiz
CVE-2025-43536 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2025-43536 — Use After Free in Apple IOS AND Ipados | cvebase