CVE-2025-43539

AppleJPEG: Processing a file may lead to memory corruption

CVE-2025-43539 is fixed in 3 products on 1 platform, first by Sequoia 15.7.3, released December 12, 2025. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

8.8

HIGH

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0616

93rd percentile

The issue was addressed with improved bounds checks.

Where it's fixed

Product	Fixed in	Fix	Released
macOS
Sequoia	15.7.3	Sequoia 15.7.3	Dec 12, 2025
Sonoma	14.8.3	Sonoma 14.8.3	Dec 12, 2025
Tahoe	26.2	Tahoe 26.2	Dec 12, 2025

Details

Published
December 12, 2025
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vendor advisory
https://support.apple.com/en-us/125886

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