VulnerabilityModified
CVE-2025-43353
Processing a maliciously crafted string may lead to heap corruption.
MEDIUM 5.5EPSS 0.21%
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. Processing a maliciously crafted string may lead to heap corruption.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.21% probability · 11th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/125110
- https://support.apple.com/en-us/125111Release Notes, Vendor Advisory
- https://support.apple.com/en-us/125112Release Notes, Vendor Advisory
- http://seclists.org/fulldisclosure/2025/Sep/53
- http://seclists.org/fulldisclosure/2025/Sep/54
- http://seclists.org/fulldisclosure/2025/Sep/55
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.