CVE-2025-43212
Description
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Processing maliciously crafted web content in Safari may cause an unexpected crash due to a memory handling issue, patched in Apple’s July 2025 updates.
CVE-2025-43212 is a denial-of-service vulnerability (CVSS 6.5, Medium) affecting Apple’s Safari browser and the WebKit engine across multiple platforms. The root cause is an improper memory handling issue that can be triggered when Safari processes specially crafted web content. [1][2][3][4]
Exploitation
An attacker can exploit this flaw by luring a user to visit a malicious webpage. No additional privileges or user interaction beyond browsing is required. The vulnerability does not involve a logic error but rather a memory management flaw that leads to an unexpected termination of the browser. [1][2]
Impact
Successful exploitation results in an unexpected Safari crash, causing a denial of service. The crash may disrupt the user’s browsing session, but there is no indication of code execution or data compromise. The impact is limited to availability. [1][2]
Mitigation
Apple addressed CVE-2025-43212 in Safari 18.6, iOS 18.6, iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, and watchOS 11.6, all released on July 29, 2025. Users should update their devices to the latest operating system versions. No workarounds are documented. [1][2][3][4]
AI Insight generated on May 19, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.
Affected products
8cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*range: <18.6
- (no CPE)range: <18.6
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
12- support.apple.com/en-us/124147nvdRelease NotesVendor Advisory
- support.apple.com/en-us/124149nvdRelease NotesVendor Advisory
- support.apple.com/en-us/124152nvdRelease NotesVendor Advisory
- support.apple.com/en-us/124153nvdRelease NotesVendor Advisory
- support.apple.com/en-us/124154nvdRelease NotesVendor Advisory
- support.apple.com/en-us/124155nvdRelease NotesVendor Advisory
- seclists.org/fulldisclosure/2025/Aug/0nvd
- seclists.org/fulldisclosure/2025/Jul/30nvd
- seclists.org/fulldisclosure/2025/Jul/32nvd
- seclists.org/fulldisclosure/2025/Jul/36nvd
- www.openwall.com/lists/oss-security/2025/08/02/1nvd
- lists.debian.org/debian-lts-announce/2025/08/msg00015.htmlnvd
News mentions
0No linked articles in our index yet.