What is CVE-2023-47163?

CVE-2023-47163 is a high-severity vulnerability in Remarshal-Project Remarshal, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2023-11-13.

How severe is CVE-2023-47163?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Remarshal-Project Remarshal

CVE-2023-47163

Remarshal prior to v0.17.1 expands YAML alias nodes unlimitedly, hence Remarshal is vulnerable to Billion Laughs Attack. Processing untrusted YAML files may cause a denial-of-service (DoS) condition.

EPSS: 0.010 (58.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Remarshal-project Remarshal — versions prior to v0.17.1
Remarshal_project Remarshal

Weakness classification (CWE)

CWE-674 — Uncontrolled Recursion

References

vultures@jpcert.or.jp (Release Notes)
vultures@jpcert.or.jp (Patch)
vultures@jpcert.or.jp (Third Party Advisory)

Frequently asked questions

What is CVE-2023-47163?: CVE-2023-47163 is a high-severity vulnerability in Remarshal-Project Remarshal, classified under Uncontrolled Recursion. CVSS score: 7.5/10. Published 2023-11-13.
How severe is CVE-2023-47163?: High severity. CVSS v3 base score is 7.5 out of 10.