CVE-2026-20657

MEDIUM

Apple Ios And Ipados < 18.7.7 - Denial of Service

Title source: rule
STIX 2.1

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

Scores

CVSS v3 6.5
EPSS 0.0005
EPSS Percentile 15.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-119 CWE-125 CWE-787
Status published
Products (6)
Apple/iOS and iPadOS < 18.7.7
apple/ipados < 18.7.7
apple/iphone_os < 18.7.7
Apple/macOS < 14.8.5
Apple/macOS < 15.7.5
apple/macos 14.0 - 14.8.5
Published Mar 25, 2026
Tracked Since Mar 25, 2026