CVE-2025-43368: Processing maliciously crafted web content may lead to an unexpected Safari crash
Affects Apple SafariSource CVE Database V5
Not known to be exploited · CVSS 4.3 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 56% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:LExploitation evidence
Disclosed: evidence found.
CVE published 15 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple Safari | Affected
| Fixed in– |
AI-suggested
A fix is available in Safari 26, iOS 26, iPadOS 26, and macOS Tahoe 26. Users and administrators should update affected Apple devices and Safari browsers to these versions or later to remediate the vulnerability. Since this is not a cloud service, remediation depends on applying the official software updates from Apple.
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.
References
- support.apple.com/en-us/125108 (opens in a new tab)
- support.apple.com/en-us/125110 (opens in a new tab)
- support.apple.com/en-us/125113 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/53 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/59 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Sep/49 (opens in a new tab)
- openwall.com/lists/oss-security/2025/09/22/3 (opens in a new tab)
- cert-portal.siemens.com/productcert/html/ssa-032379.html (opens in a new tab)