CVE-2025-24201: Apple Safari · Out-of-bounds Write
Affects Apple SafariSource CVE Database V5
Exploited in the wild · KEV due 3 Apr 2025 · 3% EPSS · fixed in 18.3.1 : patch Apple Safari now.
Data as of 26 Oct 2026, 09:08 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 3.8% chance of exploitation in 30 days – higher than 90% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 18.3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 11 Mar 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: evidence found.
Listed in CISA KEV 2 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Apple Inc.
, 53 days before disclosure
CVE published
on cve.org
, t = 0
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 2 days after disclosure
KEV remediation due
US federal deadline
, 23 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Apple Safari | Affected
| Fixed in– |
Description
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).
References
- support.apple.com/en-us/122281 (opens in a new tab)
- support.apple.com/en-us/122283 (opens in a new tab)
- support.apple.com/en-us/122284 (opens in a new tab)
- support.apple.com/en-us/122285 (opens in a new tab)
- support.apple.com/en-us/122345 (opens in a new tab)
- support.apple.com/en-us/122346 (opens in a new tab)
- support.apple.com/en-us/122372 (opens in a new tab)
- support.apple.com/en-us/122376 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-24201 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Mar/2 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Mar/3 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Mar/4 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Mar/5 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Apr/16 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Oct/31 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Oct/1 (opens in a new tab)
- lists.debian.org/debian-lts-announce/2025/06/msg00016.html (opens in a new tab)
- seclists.org/fulldisclosure/2025/Jun/19 (opens in a new tab)
- seclists.org/fulldisclosure/2025/Apr/7 (opens in a new tab)
- github.com/JGoyd/Glass-Cage-iOS18-CVE-2025-24085-CVE-2025-24201 (opens in a new tab)
- github.com/cisagov/vulnrichment/issues/194 (opens in a new tab)