ClosedPatched
Apple iOS, iPadOS, and macOS: iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
Apple iOS, iPadOS, and macOS
Apple iOS, iPadOS, and macOS contain an out-of-bounds write vulnerability in the Image I/O framework. Added to CISA KEV on 2025-08-21.
Why this severity: CVSS 10.0 (CISA ADP, v3.1); actively exploited (CISA KEV)
- Started
- Aug 21, 2025
- Closed
- Aug 21, 2025
Affected
- See vendor advisory / CISA notes (versions not always listed in KEV feed)
Fixed in
- See vendor advisory linked in sources
Timeline1
CISA added CVE-2025-43300 to the KEV catalog (due 2025-09-11).
Advisories7
- Apple advisory: Apple iOS, iPadOS, and macOSApple · Aug 21, 2025
- Apple advisory: Apple iOS, iPadOS, and macOSApple · Aug 21, 2025
- Apple advisory: Apple iOS, iPadOS, and macOSApple · Aug 21, 2025
- Apple advisory: Apple iOS, iPadOS, and macOSApple · Aug 21, 2025
- Apple advisory: Apple iOS, iPadOS, and macOSApple · Aug 21, 2025
- NVD: CVE-2025-43300NVD · Aug 21, 2025
- CISA Known Exploited Vulnerabilities CatalogCISA · Aug 21, 2025
Notes & caveats
Derived from CISA KEV JSON feed catalogVersion 2026.10.21. CVSS from the CVE record (cvelistV5). Exact affected/fixed version strings are not always in the KEV record; verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier; many entries are older CVEs newly confirmed as exploited in 2025).
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