CVE-2023-28118

kaml has potential denial of service while parsing input with anchors and aliases

Description

kaml provides YAML support for kotlinx.serialization. Prior to version 0.53.0, applications that use kaml to parse untrusted input containing anchors and aliases may consume excessive memory and crash. Version 0.53.0 and later default to refusing to parse YAML documents containing anchors and aliases. There are no known workarounds.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory github.com
Affected: charleskorn kaml
Published at:
Updated at:

References

Link Tags
https://github.com/charleskorn/kaml/security/advisories/GHSA-c24f-2j3g-rg48 vendor advisory
https://github.com/charleskorn/kaml/commit/5f82a2d7e00bfc307afca05d1dc4d7c50593531a patch
https://github.com/charleskorn/kaml/releases/tag/0.53.0 release notes

Frequently Asked Questions

What is the severity of CVE-2023-28118?
CVE-2023-28118 has been scored as a high severity vulnerability.
How to fix CVE-2023-28118?
To fix CVE-2023-28118, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-28118 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-28118 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-28118?
CVE-2023-28118 affects charleskorn kaml.
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