CVE-2026-43718

A stack overflow was addressed with improved input validation

Medium · published June 29, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
34.3
In the wild
Unconfirmed
What it is

A stack overflow was addressed with improved input validation. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00412 · 34.3th percentile
Published
2026-06-29T19:42Z
EPSS history
Timeline
  • 29 JUN 19:42Z
    A stack overflow was addressed with improved input validation
    cvelistv5