CVE-2025-43438
Low
No strong exploitation signal.
CVSS base
4.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
EPSS — probability of exploitation (30 days)
1.0%
62.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2025-11-04 · modified 2026-08-14
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | L | Low |
Timeline
- 2025-11-04 — Published (NVD)
- 2026-08-14 — Last modified (NVD)
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Affected
References
- https://support.apple.com/en-us/125632
- https://support.apple.com/en-us/125633
- https://support.apple.com/en-us/125634
- https://support.apple.com/en-us/125638
- https://support.apple.com/en-us/125639
- https://support.apple.com/en-us/125640
- https://access.redhat.com/errata/RHSA-2025:22789
- https://access.redhat.com/errata/RHSA-2025:22790
- https://access.redhat.com/security/cve/CVE-2025-43438
- https://bugzilla.redhat.com/show_bug.cgi?id=2448784
- https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-43438.json