CVE-2025-43505

⚠️ high

Summary

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in Xcode 26.1. Processing a maliciously crafted file may lead to heap corruption.

CVSS Score

8.8

High

EPSS Score

0.1

Exploit Probability

Published Date

2025-11-04

First Seen: 2026-01-05

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 81.2% of all 317,883 vulnerabilities in our database.

#59,645

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Nov 4, 2025

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

Requires human interaction

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2025-11-04

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE IDs (Weakness Types)

CWE-787

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
apple	xcode	Affected	< 26.1

🔗 References 1

https://support.apple.com/en-us/125641

Release Notes Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2025-31186	ℹ️ low	3.3	0.0	A permissions issue was addressed with additional restrictions. This issue is fixed in Xcode 16.3. An app may be able to...	2026-01-16
CVE-2025-43504	🔶 medium	4.9	0.1	A buffer overflow was addressed with improved bounds checking. This issue is fixed in Xcode 26.1. A user in a privileged...	2025-11-04
CVE-2025-43263	⚠️ high	7.1	0.0	The issue was addressed with improved checks. This issue is fixed in Xcode 26. An app may be able to read and write file...	2025-09-15
CVE-2025-43370	🔶 medium	4.0	0.0	A path handling issue was addressed with improved validation. This issue is fixed in Xcode 26. Processing an overly larg...	2025-09-15
CVE-2025-43371	⚠️ high	8.2	0.0	This issue was addressed with improved checks. This issue is fixed in Xcode 26. An app may be able to break out of its s...	2025-09-15
CVE-2025-43375	🔶 medium	5.5	0.1	The issue was addressed with improved checks. This issue is fixed in Xcode 26. Processing an overly large path value may...	2025-09-15

These CVEs affect the same products