CVE-2025-43300

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. 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
appleCNA
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CISA-ADPADP
8.8 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 85%
VendorProductVersion
appleipados
𝑥
< 15.8.5
appleipados
16.0 ≤
𝑥
< 16.7.12
appleipados
18.0 ≤
𝑥
< 18.6.2
appleiphone_os
𝑥
< 15.8.5
appleiphone_os
16.0 ≤
𝑥
< 16.7.12
appleiphone_os
18.0 ≤
𝑥
< 18.6.2
applemacos
𝑥
< 13.7.8
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://support.apple.com/en-us/125141
https://support.apple.com/en-us/125142
http://seclists.org/fulldisclosure/2025/Sep/10
http://seclists.org/fulldisclosure/2025/Sep/14
http://seclists.org/fulldisclosure/2025/Sep/52
https://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.md
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43300