Vulnerability-Lookup

OESA-2022-1700 (CVE-2022-28739)

Vulnerability from osv_openeuler – Published: 2022-06-10 11:04 – Updated: 2026-08-06 11:04 – Source website

Summary

ruby security update

Details

Ruby is a fast and easy interpreted scripting language for object-oriented programming. It has many functions for processing text Files and perform system management tasks (such as Perl).

Security Fix(es):

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.(CVE-2022-28739)

A double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to unexpected memory locations.(CVE-2022-28738)

Severity

6.2 (Medium)


                    
                      CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

URL

Type

	https://www.openeuler.org/en/security/safety-bull…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-28739	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2022-28738	ADVISORY

JSON

To clipboard

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  "database_specific": {
    "severity": "Medium"
  },
  "details": "Ruby is a fast and easy interpreted scripting language for object-oriented programming. It has many functions for processing text Files and perform system management tasks (such as Perl).\r\n\r\nSecurity Fix(es):\r\n\r\nThere is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.(CVE-2022-28739)\r\n\r\nA double free was found in the Regexp compiler in Ruby 3.x before 3.0.4 and 3.1.x before 3.1.2. If a victim attempts to create a Regexp from untrusted user input, an attacker may be able to write to unexpected memory locations.(CVE-2022-28738)",
  "id": "OESA-2022-1700",
  "modified": "2026-08-06T11:04:58Z",
  "published": "2022-06-10T11:04:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1700"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-28739"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-28738"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ruby security update",
  "upstream": [
    "CVE-2022-28739",
    "CVE-2022-28738"
  ]
}

CVE-2022-28738 (GCVE-0-2022-28738)

Vulnerability from cvelistv5 – Published: 2022-05-09 00:00 – Updated: 2024-08-03 06:03

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://hackerone.com/reports/1220911
https://www.ruby-lang.org/en/news/2022/04/12/doub…
https://security-tracker.debian.org/tracker/CVE-2…
https://security.netapp.com/advisory/ntap-2022062…
https://security.gentoo.org/glsa/202401-27	vendor-advisory

Show details on NVD website

JSON

To clipboard

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CVE-2022-28739 (GCVE-0-2022-28739)

Vulnerability from cvelistv5 – Published: 2022-05-09 00:00 – Updated: 2025-11-04 16:09

Summary

There is a buffer over-read in Ruby before 2.6.10, 2.7.x before 2.7.6, 3.x before 3.0.4, and 3.1.x before 3.1.2. It occurs in String-to-Float conversion, including Kernel#Float and String#to_f.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

15 references

URL	Tags
https://hackerone.com/reports/1248108
https://security-tracker.debian.org/tracker/CVE-2…
https://www.ruby-lang.org/en/news/2022/04/12/buff…
https://security.netapp.com/advisory/ntap-2022062…
https://support.apple.com/kb/HT213488
https://support.apple.com/kb/HT213494
https://support.apple.com/kb/HT213493
http://seclists.org/fulldisclosure/2022/Oct/41	mailing-list
http://seclists.org/fulldisclosure/2022/Oct/28	mailing-list
http://seclists.org/fulldisclosure/2022/Oct/30	mailing-list
http://seclists.org/fulldisclosure/2022/Oct/29	mailing-list
http://seclists.org/fulldisclosure/2022/Oct/42	mailing-list
https://lists.debian.org/debian-lts-announce/2023…
https://security.gentoo.org/glsa/202401-27
https://lists.debian.org/debian-lts-announce/2024…

Show details on NVD website

JSON

To clipboard

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        },
        {
          "name": "20221030 APPLE-SA-2022-10-27-5 Additional information for APPLE-SA-2022-10-24-2 macOS Ventura 13",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2022/Oct/41"
        },
        {
          "name": "20221030 APPLE-SA-2022-10-24-2 macOS Ventura 13",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2022/Oct/28"
        },
        {
          "name": "20221030 APPLE-SA-2022-10-24-4 macOS Big Sur 11.7.1",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2022/Oct/30"
        },
        {
          "name": "20221030 APPLE-SA-2022-10-24-3 macOS Monterey 12.6.1",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2022/Oct/29"
        },
        {
          "name": "20221030 APPLE-SA-2022-10-27-6 Additional information for APPLE-SA-2022-10-24-3 macOS Monterey 12.6.1",
          "tags": [
            "mailing-list"
          ],
          "url": "http://seclists.org/fulldisclosure/2022/Oct/42"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/06/msg00012.html"
        },
        {
          "url": "https://security.gentoo.org/glsa/202401-27"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2022-28739",
    "datePublished": "2022-05-09T00:00:00.000Z",
    "dateReserved": "2022-04-06T00:00:00.000Z",
    "dateUpdated": "2025-11-04T16:09:44.276Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.

Action not permitted

OESA-2022-1700 (CVE-2022-28739)

CVE-2022-28738 (GCVE-0-2022-28738)

CVE-2022-28739 (GCVE-0-2022-28739)

Tags

Sightings

Nomenclature

Related by attack behaviour