Buffer Overflow Vulnerability in Apple's Safari and iOS Devices
CVE-2025-43501

4.3MEDIUM

Key Information:

Vendor

Apple

Vendor
CVE Published:
17 December 2025

What is CVE-2025-43501?

A buffer overflow vulnerability has been identified in Apple's Safari browser and various iOS devices, potentially allowing attackers to exploit memory management flaws. This vulnerability arises from the handling of maliciously crafted web content, which could result in unexpected process crashes and disrupt user experience. Apple has addressed this issue in several product updates, namely Safari 26.2, iOS 18.7.3, iPadOS 18.7.3, and subsequent versions. Users are encouraged to update their devices to the latest software versions to mitigate risks associated with this vulnerability.

Affected Version(s)

iOS and iPadOS < 18.7

iOS and iPadOS < 26.2

macOS < 26.2

References

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-43501 : Buffer Overflow Vulnerability in Apple's Safari and iOS Devices