CVE-2025-43300
highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.320 · 98 %ileexploit · PoCDEEUNLRUUSadded 2025-08-21remediate by 2025-09-11
required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
EPSS · scored 2026-10-23
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
An 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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–10
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (5)
Public proof-of-concept and weaponised exploit code.
- Dark-life944/CVE-2025This is POC for IOS 0click CVE-2025-43300PoC · poc_in_github
- hunters-sec/CVE-2025-43300This is POC for IOS 0click CVE-2025-43300PoC · poc_in_github
- ticofookfook/CVE-2025-43300ticofookfook/CVE-2025-43300PoC · poc_in_github
- veniversum/cve-2025-43300veniversum/cve-2025-43300PoC · poc_in_github
affected products (48)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- NCSC-2025-0266Kwetsbaarheid verholpen in Apple MacOS, iOS en iPadOSNL2025-08-22csaf · ncsc_nlNL
Apple heeft een kwetsbaarheid verholpen in verschillende Apple besturingssystemen.
- WID-SEC-W-2025-1876Apple iOS, iPadOS und macOS: Schwachstelle ermöglicht CodeausführungDeutsch2025-08-20csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Apple iOS, Apple iPadOS und Apple macOS ausnutzen, um eine Memory-Corruption zu verursachen und möglicherweise beliebigen Code auszuführen oder andere nicht näher spezifizierte Angriffe durchzuführen.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (36)
External citations — patches, advisories, analysis.
- http://seclists.org/fulldisclosure/2025/Sep/10cnnvd
- http://seclists.org/fulldisclosure/2025/Sep/14cnnvd
- http://seclists.org/fulldisclosure/2025/Sep/52cnnvd
- https://access.redhat.com/security/cve/cve-2025-43300cnnvd
- https://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.mdcnnvd
- https://github.com/cisagov/vulnrichment/issues/201cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2025-43300cnnvd
- https://support.apple.com/en-us/124925cnnvd
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