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UnratedFix available

Fix of CVE: CVE-2021-23840, CVE-2021-3712, CVE-2021-23841

Type: advisorySources: OSV

- CVE-2021-3712: openssl: Read buffer overruns processing ASN.1 strings - CVE-2021-23840: openssl: integer overflow in CipherUpdate - CVE-2021-23841: openssl: NULL pointer dereference in X509_issuer_and_serial_hash()

Products
openssl, openssl-devel, openssl-libs, openssl-perl, openssl-static
Affected versions
Not specified
Fixed versions
1:1.1.1g-15.el8.4.tuxcare.els1
CVEs
CVE-2021-23840, CVE-2021-23841, CVE-2021-3712
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:52 UTC · Revision 1

Source evidence

Fix of CVE: CVE-2021-23840, CVE-2021-3712, CVE-2021-23841

core-osv · Original source

Published 1 Feb 2022, 14:58 UTC

- CVE-2021-3712: openssl: Read buffer overruns processing ASN.1 strings - CVE-2021-23840: openssl: integer overflow in CipherUpdate - CVE-2021-23841: openssl: NULL pointer dereference in X509_issuer_and_serial_hash()

osv:CLSA-2022-1643727489

openssl

Fixed versions: 1:1.1.1g-15.el8.4.tuxcare.els1

openssl-devel

Fixed versions: 1:1.1.1g-15.el8.4.tuxcare.els1

openssl-libs

Fixed versions: 1:1.1.1g-15.el8.4.tuxcare.els1

openssl-perl

Fixed versions: 1:1.1.1g-15.el8.4.tuxcare.els1

openssl-static

Fixed versions: 1:1.1.1g-15.el8.4.tuxcare.els1

Complete source record
{
  "id": "2d3aefcc99866481746b0206f1f4fc5bb1623f53924327f308e38f4b02b4a78f",
  "url": "https://osv.dev/vulnerability/CLSA-2022-1643727489",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix of CVE: CVE-2021-23840, CVE-2021-3712, CVE-2021-23841",
    "summary": "- CVE-2021-3712: openssl: Read buffer overruns processing ASN.1 strings - CVE-2021-23840: openssl: integer overflow in CipherUpdate - CVE-2021-23841: openssl: NULL pointer dereference in X509_issuer_and_serial_hash()",
    "evidence": "osv:CLSA-2022-1643727489",
    "products": [
      {
        "name": {
          "value": "openssl",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.1.1g-15.el8.4.tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.1.1g-15.el8.4.tuxcare.els1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-libs",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.1.1g-15.el8.4.tuxcare.els1",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-perl",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.1.1g-15.el8.4.tuxcare.els1",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "openssl-static",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1:1.1.1g-15.el8.4.tuxcare.els1",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2022-1643727489",
      "aliases": [
        "CLSA-2022-1643727489"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.1.1g-15.el8.4.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl",
            "purl": "pkg:rpm/tuxcare/openssl?distro=centos-8.4",
            "ecosystem": "TuxCare:CentOS:8.4"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2022-1643727489.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.1.1g-15.el8.4.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-devel",
            "purl": "pkg:rpm/tuxcare/openssl-devel?distro=centos-8.4",
            "ecosystem": "TuxCare:CentOS:8.4"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2022-1643727489.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.1.1g-15.el8.4.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-libs",
            "purl": "pkg:rpm/tuxcare/openssl-libs?distro=centos-8.4",
            "ecosystem": "TuxCare:CentOS:8.4"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2022-1643727489.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.1.1g-15.el8.4.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-perl",
            "purl": "pkg:rpm/tuxcare/openssl-perl?distro=centos-8.4",
            "ecosystem": "TuxCare:CentOS:8.4"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2022-1643727489.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1:1.1.1g-15.el8.4.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "openssl-static",
            "purl": "pkg:rpm/tuxcare/openssl-static?distro=centos-8.4",
            "ecosystem": "TuxCare:CentOS:8.4"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2022-1643727489.json"
          }
        }
      ],
      "modified": "2026-10-21T10:47:06.238329481Z",
      "provider": "osv",
      "upstream": [
        "CVE-2021-23840",
        "CVE-2021-23841",
        "CVE-2021-3712"
      ],
      "references": [
        "https://errata.cloudlinux.com/centos8.4-els/CLSA-2022-1643727489.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2021-23840",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2021-23841",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2021-3712",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 392298,
  "published_at": "2022-02-01T14:58:09+00:00"
}