CVE-2026-43656

An out-of-bounds write issue was addressed with improved input validation

High · published May 11, 2026

CVSS v3.1
7.3
EPSS
0%
Percentile
32.1
In the wild
Unconfirmed
What it is

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00392 · 32.1th percentile
Published
2026-05-11T20:08Z
EPSS history
Timeline
  • 11 MAY 20:08Z
    An out-of-bounds write issue was addressed with improved input validation
    cvelistv5