CVE-2025-63744: radare2 Null Dereference — Fix

Description

A NULL pointer dereference vulnerability was discovered in radare2 6.0.5 and earlier within the load() function of bin_dyldcache.c. Processing a crafted file can cause a segmentation fault and crash the program.

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CVSS v3.1 Score

4.3

MEDIUM

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

Weakness Type (CWE)

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
radare	radare2	< 6.0.5

References

Advisories & Patches

https://github.com/marlinkcyber/advisories/blob/main/advisories/MCSAID-2025-002-radare2-nullptr-deref-bin_dyldcache.md https://github.com/marlinkcyber/advisories/blob/main/advisories/radare2-nullptr-deref-bin_dyldcache.md https://github.com/radareorg/radare2/commit/e37e15d10fd8a19c3e57b3d7735a2cfe0082ec79

Other References

https://github.com/radareorg/radare2/issues/24661

Frequently Asked Questions

What is CVE-2025-63744? +

A NULL pointer dereference vulnerability was discovered in radare2 6.0.5 and earlier within the load() function of bin_dyldcache.c. Processing a crafted file can cause a segmentation fault and crash the program. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2025-63744? +

CVE-2025-63744 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-63744? +

CVE-2025-63744 affects products from radare, specifically: radare2. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-63744? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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