CVE-2025-43211: The issue was addressed with improved memory handling
Source GCVE Database
Not known to be exploited · CVSS 6.2 Medium.
Data as of 4 Nov 2026, 17:55 UTC
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 4 Nov 2026.
What to do
AI-suggested
The issue is fixed in the following Apple OS versions: macOS Sequoia 15.6, iPadOS 17.7.9, iOS 18.6, tvOS 18.6, watchOS 11.6, and visionOS 2.6. Users and administrators should update to these versions or later to remediate the vulnerability. No additional mitigations are indicated by the vendor advisory.
Description
CVE-2025-43211 is a vulnerability in Apple operating systems where processing web content may lead to a denial-of-service condition due to improper memory handling. The issue has been addressed with improved memory management in several Apple OS versions including macOS Sequoia 15.6, iPadOS 17.7.9, iOS 18.6, tvOS 18.6, watchOS 11.6, and visionOS 2.6.
References
- nvd.nist.gov/vuln/detail/CVE-2025-43211 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/08/msg00015.html (opens in a new tab)
- support.apple.com/en-us/124147 (opens in a new tab)
- support.apple.com/en-us/124148 (opens in a new tab)
- support.apple.com/en-us/124149 (opens in a new tab)
- support.apple.com/en-us/124152 (opens in a new tab)
- support.apple.com/en-us/124153 (opens in a new tab)
- support.apple.com/en-us/124154 (opens in a new tab)
- support.apple.com/en-us/124155 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Aug/0 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Jul/31 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Jul/32 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Jul/36 (opens in a new tab)
- openwall.com/lists/oss-security/2025/08/02/1 (opens in a new tab)