modules:
  - module: std
    versions:
      - fixed: 1.17.12
      - introduced: 1.18.0
        fixed: 1.18.4
    vulnerable_at: 1.18.3
    packages:
      - package: encoding/gob
        symbols:
          - Decoder.decIgnoreOpFor
          - Decoder.compileIgnoreSingle
          - Decoder.compileDec
description: |
    Calling Decoder.Decode on a message which contains deeply nested structures
    can cause a panic due to stack exhaustion.
published: 2022-07-20T20:52:17Z
references:
  - fix: https://go.dev/cl/417064
  - fix: https://go.googlesource.com/go/+/6fa37e98ea4382bf881428ee0c150ce591500eb7
  - report: https://go.dev/issue/53615
  - web: https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE
cve_metadata:
    id: CVE-2022-30635
    cwe: 'CWE-674: Uncontrolled Recursion'
    description: |
        Uncontrolled recursion in Decoder.Decode in encoding/gob before Go
        1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack
        exhaustion via a message which contains deeply nested structures.