Vulnerability-Lookup

FKIE_CVE-2021-3326

Vulnerability from fkie_nvd - Published: 2021-01-27 20:15 - Updated: 2026-06-17 04:04

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service.

References

URL	Tags
cve@mitre.org	http://www.openwall.com/lists/oss-security/2021/01/28/2	Mailing List, Third Party Advisory
cve@mitre.org	https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html	Mailing List, Third Party Advisory
cve@mitre.org	https://security.gentoo.org/glsa/202107-07	Third Party Advisory
cve@mitre.org	https://security.netapp.com/advisory/ntap-20210304-0007/	Third Party Advisory
cve@mitre.org	https://sourceware.org/bugzilla/show_bug.cgi?id=27256	Issue Tracking, Third Party Advisory
cve@mitre.org	https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
cve@mitre.org	https://www.oracle.com/security-alerts/cpuapr2022.html	Not Applicable
cve@mitre.org	https://www.oracle.com/security-alerts/cpujan2022.html	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2021/01/28/2	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html	Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/202107-07	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://security.netapp.com/advisory/ntap-20210304-0007/	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://sourceware.org/bugzilla/show_bug.cgi?id=27256	Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888
af854a3a-2127-422b-91ae-364da2661108	https://www.oracle.com/security-alerts/cpuapr2022.html	Not Applicable
af854a3a-2127-422b-91ae-364da2661108	https://www.oracle.com/security-alerts/cpujan2022.html	Patch, Third Party Advisory

Impacted products

Vendor	Product	Version
gnu	glibc	*
netapp	e-series_santricity_os_controller	*
netapp	ontap_select_deploy_administration_utility	-
oracle	communications_cloud_native_core_security_edge_protection_proxy	1.5.0
fujitsu	m10-1_firmware	*
fujitsu	m10-1	-
fujitsu	m10-4_firmware	*
fujitsu	m10-4	-
fujitsu	m10-4s_firmware	*
fujitsu	m10-4s	-
fujitsu	m12-1_firmware	*
fujitsu	m12-1	-
fujitsu	m12-2_firmware	*
fujitsu	m12-2	-
fujitsu	m12-2_firmware	*
fujitsu	m12-2	-
fujitsu	m12-2s_firmware	*
fujitsu	m12-2s	-
fujitsu	m10-1_firmware	*
fujitsu	m10-1	-
fujitsu	m10-4_firmware	*
fujitsu	m10-4	-
fujitsu	m10-4s_firmware	*
fujitsu	m10-4s	-
fujitsu	m12-1_firmware	*
fujitsu	m12-1	-
fujitsu	m12-2_firmware	*
fujitsu	m12-2	-
fujitsu	m12-2_firmware	*
fujitsu	m12-2	-
fujitsu	m12-2s_firmware	*
fujitsu	m12-2s	-
debian	debian_linux	10.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "290E9831-5E7A-4EE8-9496-FF8C590038F2",
              "versionEndIncluding": "2.32.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7402489D-85E5-4662-BF87-259740DC72F8",
              "versionEndIncluding": "11.60.3",
              "versionStartIncluding": "11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "E7CF3019-975D-40BB-A8A4-894E62BD3797",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_security_edge_protection_proxy:1.5.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "DAEB09CA-9352-43CD-AF66-92BE416E039C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5E63B7B2-409A-476E-BA12-2A2D2F3B85DE",
              "versionEndExcluding": "xcp2410",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "983D27DE-BC89-454E-AE47-95A26A3651E2",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ADB5D4C9-DA14-4188-9181-17336F9445F6",
              "versionEndExcluding": "xcp2410",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "5825AEE1-B668-40BD-86A9-2799430C742C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B65E2F3-57EC-46C0-BB4A-0A0F3F8D387E",
              "versionEndExcluding": "xcp2410",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3DA2D526-BDCF-4A65-914A-B3BA3A0CD613",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "90B7CFBF-761C-4EAA-A322-EF5E294AADED",
              "versionEndExcluding": "xcp2410",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE0CF40B-E5BD-4558-9321-184D58EF621D",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "48B28ABF-7E1A-4A1E-8F78-0D95D7BDF886",
              "versionEndExcluding": "xcp2410",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0F3C9C09-7B2B-4DB6-8BE0-35302ED35776",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "48B28ABF-7E1A-4A1E-8F78-0D95D7BDF886",
              "versionEndExcluding": "xcp2410",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0F3C9C09-7B2B-4DB6-8BE0-35302ED35776",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E74AAF52-1388-4BD9-B17B-3A6A32CA3608",
              "versionEndExcluding": "xcp2410",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "95503CE5-1D06-4092-A60D-D310AADCAFB1",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m10-1_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A107698C-9C63-44A9-8A2B-81EDD5702B4C",
              "versionEndExcluding": "xcp3110",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m10-1:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "983D27DE-BC89-454E-AE47-95A26A3651E2",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m10-4_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0FC0460E-4695-44FB-99EE-28B2C957B760",
              "versionEndExcluding": "xcp3110",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m10-4:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "5825AEE1-B668-40BD-86A9-2799430C742C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m10-4s_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BD54A092-85A7-4459-9C69-19E6E24AC24B",
              "versionEndExcluding": "xcp3110",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m10-4s:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "3DA2D526-BDCF-4A65-914A-B3BA3A0CD613",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-1_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "5F813DBC-BA1E-4C73-AA11-1BD3F9508372",
              "versionEndExcluding": "xcp3110",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-1:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "EE0CF40B-E5BD-4558-9321-184D58EF621D",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EFDF4F39-1C6C-4AD3-99CF-BD5B44B8C71B",
              "versionEndExcluding": "xcp3110",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0F3C9C09-7B2B-4DB6-8BE0-35302ED35776",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-2_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EFDF4F39-1C6C-4AD3-99CF-BD5B44B8C71B",
              "versionEndExcluding": "xcp3110",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-2:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "0F3C9C09-7B2B-4DB6-8BE0-35302ED35776",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fujitsu:m12-2s_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "416B805F-799A-4466-AC5A-93D083A2ABBD",
              "versionEndExcluding": "xcp3110",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:fujitsu:m12-2s:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "95503CE5-1D06-4092-A60D-D310AADCAFB1",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n iconv en la biblioteca GNU C (tambi\u00e9n se conoce como glibc o libc6) versiones 2.32 y anteriores, cuando procesa secuencias de entrada no v\u00e1lidas en la codificaci\u00f3n ISO-2022-JP-3, se produce un fallo una aserci\u00f3n en la ruta del c\u00f3digo y aborta el programa, potencialmente resultando en una denegaci\u00f3n de servicio"
    }
  ],
  "id": "CVE-2021-3326",
  "lastModified": "2026-06-17T04:04:56.730",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-3326",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-06-09T15:17:18.701250Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2021-01-27T20:15:14.020",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/01/28/2"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202107-07"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20210304-0007/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=27256"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2021/01/28/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.gentoo.org/glsa/202107-07"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://security.netapp.com/advisory/ntap-20210304-0007/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=27256"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Not Applicable"
      ],
      "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

CVE-2021-3326 (GCVE-0-2021-3326)

Vulnerability from cvelistv5 – Published: 2021-01-27 00:00 – Updated: 2025-06-09 15:18

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/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 2025-06-09 15:17 UTC

CWE

n/a
CWE-617 - Reachable Assertion

Assigner

mitre mitre root

References

8 references

URL	Tags
https://sourceware.org/bugzilla/show_bug.cgi?id=27256
https://sourceware.org/git/?p=glibc.git%3Ba=commi…
http://www.openwall.com/lists/oss-security/2021/01/28/2	mailing-list
https://security.gentoo.org/glsa/202107-07	vendor-advisory
https://www.oracle.com/security-alerts/cpujan2022.html
https://security.netapp.com/advisory/ntap-2021030…
https://www.oracle.com/security-alerts/cpuapr2022.html
https://lists.debian.org/debian-lts-announce/2022…	mailing-list

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:53:17.469Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=27256"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888"
          },
          {
            "name": "[oss-security] 20210128 Re: glibc iconv crash with ISO-2022-JP-3",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2021/01/28/2"
          },
          {
            "name": "GLSA-202107-07",
            "tags": [
              "vendor-advisory",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/202107-07"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210304-0007/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
          },
          {
            "name": "[debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security update",
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2021-3326",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-09T15:17:18.701250Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-617",
                "description": "CWE-617 Reachable Assertion",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-09T15:18:04.653Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid input sequences in the ISO-2022-JP-3 encoding, fails an assertion in the code path and aborts the program, potentially resulting in a denial of service."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-10-17T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=27256"
        },
        {
          "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=7d88c6142c6efc160c0ee5e4f85cde382c072888"
        },
        {
          "name": "[oss-security] 20210128 Re: glibc iconv crash with ISO-2022-JP-3",
          "tags": [
            "mailing-list"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2021/01/28/2"
        },
        {
          "name": "GLSA-202107-07",
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://security.gentoo.org/glsa/202107-07"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20210304-0007/"
        },
        {
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "name": "[debian-lts-announce] 20221017 [SECURITY] [DLA 3152-1] glibc security update",
          "tags": [
            "mailing-list"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-3326",
    "datePublished": "2021-01-27T00:00:00.000Z",
    "dateReserved": "2021-01-27T00:00:00.000Z",
    "dateUpdated": "2025-06-09T15:18:04.653Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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

FKIE_CVE-2021-3326

CVE-2021-3326 (GCVE-0-2021-3326)

Tags

Sightings

Nomenclature

Related by attack behaviour