What is CVE-2020-36443?

CVE-2020-36443 is a critical-severity vulnerability in Libp2p Libp2p-Deflate, classified under Use of Uninitialized Resource. CVSS score: 9.8/10. Published 2021-08-08.

How severe is CVE-2020-36443?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Libp2p Libp2p-Deflate

CVE-2020-36443

An issue was discovered in the libp2p-deflate crate before 0.27.1 for Rust. An uninitialized buffer is passed to AsyncRead::poll_read(), which is a user-provided trait function.

EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Libp2p Libp2p-deflate
N/a — versions n/a

Weakness classification (CWE)

CWE-908 — Use of Uninitialized Resource

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-36443?: CVE-2020-36443 is a critical-severity vulnerability in Libp2p Libp2p-Deflate, classified under Use of Uninitialized Resource. CVSS score: 9.8/10. Published 2021-08-08.
How severe is CVE-2020-36443?: Critical severity. CVSS v3 base score is 9.8 out of 10.