VulnerabilityModified
CVE-2026-20644
Processing maliciously crafted web content may lead to an unexpected process crash.
MEDIUM 6.5EPSS 0.31%
Does this matter?
Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own.
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.31% probability · 23th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-416, CWE-787, CWE-120
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/visionos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/126346Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126347Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126348Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126353Release Notes, Vendor Advisory
- https://support.apple.com/en-us/126354Release Notes, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2026:10702
- https://access.redhat.com/errata/RHSA-2026:11329
- https://access.redhat.com/errata/RHSA-2026:11814
- https://access.redhat.com/errata/RHSA-2026:13845
- https://access.redhat.com/errata/RHSA-2026:14659
- https://access.redhat.com/errata/RHSA-2026:16056
- https://access.redhat.com/errata/RHSA-2026:16695
- https://access.redhat.com/errata/RHSA-2026:19206
- https://access.redhat.com/errata/RHSA-2026:19535
- https://access.redhat.com/errata/RHSA-2026:22136
- https://access.redhat.com/errata/RHSA-2026:9692
- https://access.redhat.com/security/cve/CVE-2026-20644
- https://bugzilla.redhat.com/show_bug.cgi?id=2448792
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20644.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.