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CVE-2022-1962 (GCVE-0-2022-1962)

Vulnerability from cvelistv5 – Published: 2022-08-09 20:18 – Updated: 2026-03-06 19:08
VLAI
Title
Stack exhaustion due to deeply nested types in go/parser
Summary
Uncontrolled recursion in the Parse functions in go/parser before Go 1.17.12 and Go 1.18.4 allow an attacker to cause a panic due to stack exhaustion via deeply nested types or declarations.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-02-24 19:32 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version CPE status
Go standard library go/parser Affected: 0 , < 1.17.12 (semver)
Affected: 1.18.0-0 , < 1.18.4 (semver)
guessed Create a notification for this product.
Credits
Juho Nurminen of Mattermost
Show details on NVD website
To clipboard 

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                  "scope": "UNCHANGED",
                  "userInteraction": "NONE",
                  "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "version": "3.1"
                }
              },
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-1962",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2026-02-24T19:32:02.875913Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2026-03-06T19:07:41.231Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "collectionURL": "https://pkg.go.dev",
              "defaultStatus": "unaffected",
              "packageName": "go/parser",
              "product": "go/parser",
              "programRoutines": [
                {
                  "name": "ParseFile"
                },
                {
                  "name": "ParseExprFrom"
                },
                {
                  "name": "parser.tryIdentOrType"
                },
                {
                  "name": "parser.parsePrimaryExpr"
                },
                {
                  "name": "parser.parseUnaryExpr"
                },
                {
                  "name": "parser.parseBinaryExpr"
                },
                {
                  "name": "parser.parseIfStmt"
                },
                {
                  "name": "parser.parseStmt"
                },
                {
                  "name": "resolver.openScope"
                },
                {
                  "name": "resolver.closeScope"
                }
              ],
              "vendor": "Go standard library",
              "versions": [
                {
                  "lessThan": "1.17.12",
                  "status": "affected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThan": "1.18.4",
                  "status": "affected",
                  "version": "1.18.0-0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "value": "Juho Nurminen of Mattermost"
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "Uncontrolled recursion in the Parse functions in go/parser before Go 1.17.12 and Go 1.18.4 allow an attacker to cause a panic due to stack exhaustion via deeply nested types or declarations."
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "description": "CWE-674: Uncontrolled Recursion",
                  "lang": "en"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-06-12T19:04:29.406Z",
            "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
            "shortName": "Go"
          },
          "references": [
            {
              "url": "https://go.dev/cl/417063"
            },
            {
              "url": "https://go.googlesource.com/go/+/695be961d57508da5a82217f7415200a11845879"
            },
            {
              "url": "https://go.dev/issue/53616"
            },
            {
              "url": "https://groups.google.com/g/golang-announce/c/nqrv9fbR0zE"
            },
            {
              "url": "https://pkg.go.dev/vuln/GO-2022-0515"
            }
          ],
          "title": "Stack exhaustion due to deeply nested types in go/parser"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "assignerShortName": "Go",
        "cveId": "CVE-2022-1962",
        "datePublished": "2022-08-09T20:18:18.000Z",
        "dateReserved": "2022-05-31T00:00:00.000Z",
        "dateUpdated": "2026-03-06T19:08:08.543Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.