Vulnerability · Published Jul 27, 2026 · Assigned by apple
CVE-2026-64719
High 8.1
In plain English
A high-severity out-of-bounds read in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in Safari 26.6, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | webkit2gtk | no fix listed | DEBIAN-CVE-2026-64719 |
| Debian:13 | webkit2gtk | 2.52.6-1~deb13u1 | DEBIAN-CVE-2026-64719 |
| Debian:14 | webkit2gtk | 2.52.6-1 | DEBIAN-CVE-2026-64719 |
| Debian:12 | wpewebkit | no fix listed | DEBIAN-CVE-2026-64719 |
| Debian:13 | wpewebkit | no fix listed | DEBIAN-CVE-2026-64719 |
| Debian:14 | wpewebkit | 2.52.6-1 | DEBIAN-CVE-2026-64719 |
| Ubuntu:22.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2026-64719 |
| Ubuntu:24.04:LTS | qtwebkit-opensource-src | no fix listed | UBUNTU-CVE-2026-64719 |
| Ubuntu:22.04:LTS | webkit2gtk | no fix listed | UBUNTU-CVE-2026-64719 |
| Ubuntu:24.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.24.04.1 | UBUNTU-CVE-2026-64719 |
| Ubuntu:24.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.24.04.1 | USN-8703-1 |
| Ubuntu:26.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.26.04.1 | USN-8703-1 |
| Ubuntu:26.04:LTS | webkit2gtk | 2.52.6-0ubuntu0.26.04.1 | UBUNTU-CVE-2026-64719 |
| Ubuntu:22.04:LTS | wpewebkit | no fix listed | UBUNTU-CVE-2026-64719 |
Affected products (as reported)
Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H