CVE-2026-20652 — Uncontrolled Resource Consumption in Apple IOS AND Ipados

CWE-400 — Uncontrolled Resource ConsumptionCWE-120 — Classic Buffer Overflow14 documents9 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 62.01%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Apple IOS AND IpadosApple MacosApple Safari+3 more
Timeline
PublishedFeb 11
Latest updateMar 19

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A remote attacker may be able to cause a denial-of-service.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages9 packages

▶NVDapple/ipados26.0 — 26.3+1
▶CVEListV5apple/ios_and_ipados< 18.7.5+1
▶CVEListV5apple/macos< 26.3
▶NVDapple/macos< 26.3
▶CVEListV5apple/safari< 26.3

🔴Vulnerability Details

4
GHSA
GHSA-jhp8-jfxv-5ggj: The issue was addressed with improved memory handling↗2026-02-12
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OSV
CVE-2026-20652: The issue was addressed with improved memory handling↗2026-02-11
▶
OSV
CVE-2026-20652: The issue was addressed with improved memory handling↗2026-02-11
▶
CVEList
CVE-2026-20652: The issue was addressed with improved memory handling↗2026-02-11
▶

📋Vendor Advisories

7
Red Hat
webkitgtk: A remote attacker may be able to cause a denial-of-service↗2026-03-18
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Apple
CVE-2026-20652: macOS Tahoe 26.3↗2026-02-11
▶
Apple
CVE-2026-20652: Safari 26.3↗2026-02-11
▶
Apple
CVE-2026-20652: visionOS 26.3↗2026-02-11
▶
Apple
CVE-2026-20652: iOS 26.3 and iPadOS 26.3↗2026-02-11
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-20652 Impact, Exploitability, and Mitigation Steps | Wiz↗
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💬Community

1
Bugzilla
CVE-2026-20652 webkitgtk: A remote attacker may be able to cause a denial-of-service [fedora-all]↗2026-03-19
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CVE-2026-20652 — Uncontrolled Resource Consumption | cvebase