CVE-2023-47163
HIGHremarshal < 0.17.1 - Denial of Service via YAML Alias Node Expansion
Title source: llmDescription
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.
References (3)
Core 3
Core References
Patch
https://github.com/remarshal-project/remarshal/commit/fd6ac799a02f533c3fc243b49cdd6d21aa7ee494
Third Party Advisory
https://jvn.jp/en/jp/JVN86156389/
Scores
CVSS v3
7.5
EPSS
0.0096
EPSS Percentile
56.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-674
Status
published
Products (2)
pypi/remarshal
0 - 0.17.1PyPI
remarshal_project/remarshal
< 0.17.1
Published
Nov 13, 2023
Tracked Since
Feb 18, 2026