Vulnerability · Published Jul 29, 2025 · Assigned by apple

CVE-2025-31280

High 7.8

In plain English

A high-severity heap buffer overflow in macOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.3%top 74.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A memory corruption issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.6. Processing a maliciously crafted file may lead to heap corruption.

Affected products (as reported)

Vendor	Product	Versions
Apple	macOS	0 – before 15.6

Weakness: CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

https://support.apple.com/en-us/124149
http://seclists.org/fulldisclosure/2025/Jul/32