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.
Conclusion & alert: CVE-2025-63744 is rated Low Risk (22.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.03% | 0.24% | +0.21% |
| 2 | 2026-04-12 | 0.06% | 0.03% | -0.03% |
| 3 | 2026-03-16 | — | 0.06% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
medium | CVE-2025-63744: 1 source package rows (radare2); 19 state rows across 1 repos (3.22-community); fixed 0, open 19. | https://security.alpinelinux.org/vuln/CVE-2025-63744 |
debian
|
not yet assigned | CVE-2025-63744 not yet assigned priority: Debian including 1 source packages (radare2), 1 status rows across 1 suites (sid): resolved 1. | https://security-tracker.debian.org/tracker/CVE-2025-63744 |
ubuntu
|
medium | CVE-2025-63744 medium priority: Ubuntu including 1 source packages (radare2), 8 status rows across 8 suites (bionic, focal, jammy, noble, plucky, questing, upstream, xenial): needs-triage 6, DNE 1, ignored 1. | https://ubuntu.com/security/CVE-2025-63744 |