CVE-2025-43300

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Summary

CVECVE-2025-43300
StatePUBLISHED
Assignerapple
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-21 01:15:36 UTC
Updated2026-04-02 19:20:22 UTC
DescriptionAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.

Risk And Classification

Primary CVSS: v3.1 10 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.005480000 probability, percentile 0.678630000 (date 2026-04-02)

CISA KEV: Listed on 2025-08-21; due 2025-09-11; ransomware use Unknown

Problem Types: CWE-787 | Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals. | CWE-787 CWE-787 Out-of-bounds Write

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA Known Exploited Vulnerability

VendorApple
ProductiOS, iPadOS, and macOS
NameApple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
Required ActionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Noteshttps://support.apple.com/en-us/124925 ; https://support.apple.com/en-us/124926 ; https://support.apple.com/en-us/124927 ; https://support.apple.com/en-us/124928 ; https://support.apple.com/en-us/124929 ; https://nvd.nist.gov/vuln/detail/CVE-2025-43300

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Ipados All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apple IOS And IPadOS affected 15.8.5 custom Not specified
CNA Apple IOS And IPadOS affected 16.7.12 custom Not specified
CNA Apple IOS And IPadOS affected 18.6.2 custom Not specified
CNA Apple IPadOS affected 17.7.10 custom Not specified
CNA Apple MacOS affected 13.7.8 custom Not specified
CNA Apple MacOS affected 14.7.8 custom Not specified
CNA Apple MacOS affected 15.6.1 custom Not specified

References

ReferenceSourceLinkTags
support.apple.com/en-us/124927 [email protected] support.apple.com
support.apple.com/en-us/124928 [email protected] support.apple.com
support.apple.com/en-us/124925 [email protected] support.apple.com
seclists.org/fulldisclosure/2025/Sep/52 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
support.apple.com/en-us/125141 [email protected] support.apple.com Release Notes, Vendor Advisory
support.apple.com/en-us/125142 [email protected] support.apple.com Release Notes, Vendor Advisory
github.com/cisagov/vulnrichment/issues/201 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com Issue Tracking
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.md af854a3a-2127-422b-91ae-364da2661108 github.com Exploit, Third Party Advisory
support.apple.com/en-us/124929 [email protected] support.apple.com
seclists.org/fulldisclosure/2025/Sep/10 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
support.apple.com/en-us/124926 [email protected] support.apple.com
seclists.org/fulldisclosure/2025/Sep/14 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev
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