PatchGap
WebKit · WebKit

CVE-2026-43718

Integer Overflow in WebKit
Medium CVSS 6.5 webkit Integer Overflow

Overview

Medium
Severity
6.5
CVSS
No
Exploited ITW
Embargoed
Fix Status
DescriptionProcessing maliciously crafted web content may lead to an unexpected Safari crash
ComponentWebKit
Bug ClassInteger Overflow
Tracker313350
CWECWE-121 (Stack buffer overflow)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA KEVNot listed
CreditedNan Wang (@eternalsakura13)
Disclosed2026-06-29

Fix not yet public

No public source fix for this bug has been identified on the main branch yet — it is embargoed or not yet disclosed. Root-cause analysis is withheld until the fix commit is available.

Original Bug Report

The reporter's bug is still restricted on the tracker.
On This Page