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Security Advisories

CVE-2021-4235

Published

Last updated

NVD

https://nvd.nist.gov/vuln/detail/CVE-2021-4235

Severity

5.5

Medium

CVSS V3

Description

Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.

References

  • https://images.chainguard.dev/security/CGA-p836-mcw8-43j4
  • https://github.com/advisories/GHSA-r88r-gmrh-7j83
  • https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241
  • https://github.com/go-yaml/yaml/pull/375
  • https://pkg.go.dev/vuln/GO-2021-0061
  • https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html

Affected packages

Safe Source for Open Source™
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