Use After Free in Denoland Deno

CVE-2024-27934

Deno is a JavaScript, TypeScript, and WebAssembly runtime. Starting in version 1.36.2 and prior to version 1.40.3, use of inherently unsafe `*const c_void` and `ExternalPointer` leads to use-after-free access of the underlying structure, r…

Vulnerability class: Use-After-Free

EPSS: 0.003 (52.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-27934?
CVE-2024-27934 is a high-severity vulnerability in Denoland Deno, classified under Use After Free. CVSS score: 8.4/10. Published 2024-03-06.
How severe is CVE-2024-27934?
High severity. CVSS v3 base score is 8.4 out of 10.
Is CVE-2024-27934 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.