AI and data stack advisories

Severe, 6 weeks1490Projects326

1490 severe, 6 weeks · 326 projects

AppleCVE-2026-65396

Apple macOS: buffer overflow

Apple

CVE-2026-65396 · Published Oct 20, 2026 · updated Nov 3, 2026

Medium5.5
Fix: upgrade to 15.8 or later (3 fixed versions below)
Apple advisory

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An app may be able to cause unexpected system termination.

Affected versions

PackageAffectedFixed in
macOS
Product
< 15.815.8
< 26.726.7
< 2727
Details and references
CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity from
CISA (its enrichment of the CVE record)
Weakness
CWE-119

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