Security advisory

{
  "id": "a0bc7e9e1459f252f3a8e1a143a7526ec8490662a7f7714beeb4982635e57cae",
  "url": "https://osv.dev/vulnerability/CVE-2020-29562",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-29562",
    "summary": "The iconv function in the GNU C Library (aka glibc or libc6) 2.30 to 2.32, when converting UCS4 text containing an irreversible character, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.",
    "evidence": "osv:CVE-2020-29562",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-29562",
      "aliases": [
        "CVE-2020-29562"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/bminor/glibc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0a8262a1b269f8f1602933248e69dfb041aab7a2"
                },
                {
                  "last_affected": "3de512be7ea6053255afed6154db9ee31d4e557a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.30"
                      },
                      {
                        "last_affected": "2.32"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "glibc-2.32",
            "glibc-2.31",
            "glibc-2.31.9000",
            "changelog-ends-here",
            "glibc-2.30",
            "glibc-2.30.9000"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29562.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://sourceware.org/git/glibc.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0a8262a1b269f8f1602933248e69dfb041aab7a2"
                },
                {
                  "last_affected": "3de512be7ea6053255afed6154db9ee31d4e557a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.30"
                      },
                      {
                        "last_affected": "2.32"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "glibc-2.32",
            "glibc-2.31",
            "glibc-2.31.9000",
            "changelog-ends-here",
            "glibc-2.30",
            "glibc-2.30.9000"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-29562.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:23.544305480Z",
      "provider": "osv",
      "references": [
        "https://cert-portal.siemens.com/productcert/html/ssa-398330.html",
        "https://cert-portal.siemens.com/productcert/html/ssa-831302.html",
        "https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TVCUNLQ3HXGS4VPUQKWTJGRAW2KTFGXS/",
        "https://security.gentoo.org/glsa/202101-20",
        "https://security.netapp.com/advisory/ntap-20210122-0004/",
        "https://sourceware.org/bugzilla/show_bug.cgi?id=26923"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "netapp:e-series_santricity_os_controller",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "11.0.0"
                  },
                  {
                    "last_affected": "11.60.3"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "cpes": [
              "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "vendor_product": "fedoraproject:fedora",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "32"
                  },
                  {
                    "last_affected": "32"
                  }
                ],
                "source": "CPE_STRING"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2020-29562",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 430948,
  "published_at": "2020-12-04T07:15:11.003+00:00"
}