Vulnerability-Lookup

OESA-2026-3158 (CVE-2026-14461)

Vulnerability from osv_openeuler – Published: 2026-07-24 11:12 – Updated: 2026-08-06 11:12 – Source website

Summary

mtr security update

Details

It is a network diagnostic tool,it has the "ping" and "traceroute" features. It prints information about the route and packets that sent from the host to the specified destination system.This tool can also print the response times and percentage for all network hops between the systems.

Security Fix(es):

mtr is vulnerable to Out-of-bound read vulnerability in ipinfo_lookup() function. An attacker who can influence the TXT response used for AS lookups can trigger this bug by returning a DNS response that is larger than 512 bytes and uses a crafted compression pointer in the answer NAME field. ipinfo_lookup() function uses the length of the response as the end-of-message boundary for dn_expand() function. The result is a reliable crash.

This issue exists in the mtr through version 0.96 and it was fixed in commit 48e1794414d338ce47abc0f27c25ade8788af9c3.(CVE-2026-14461)

Severity

5.1 (Medium)


                    
                      CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-14461	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "mtr-0.93-6.oe2003sp4.aarch64.rpm",
          "mtr-debuginfo-0.93-6.oe2003sp4.aarch64.rpm",
          "mtr-debugsource-0.93-6.oe2003sp4.aarch64.rpm"
        ],
        "noarch": [
          "mtr-help-0.93-6.oe2003sp4.noarch.rpm"
        ],
        "src": [
          "mtr-0.93-6.oe2003sp4.src.rpm"
        ],
        "x86_64": [
          "mtr-0.93-6.oe2003sp4.x86_64.rpm",
          "mtr-debuginfo-0.93-6.oe2003sp4.x86_64.rpm",
          "mtr-debugsource-0.93-6.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP4",
        "name": "mtr",
        "purl": "pkg:rpm/openEuler/mtr\u0026distro=openEuler-20.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.93-6.oe2003sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mtr-0.95-3.oe2203sp4.aarch64.rpm",
          "mtr-debuginfo-0.95-3.oe2203sp4.aarch64.rpm",
          "mtr-debugsource-0.95-3.oe2203sp4.aarch64.rpm"
        ],
        "noarch": [
          "mtr-help-0.95-3.oe2203sp4.noarch.rpm"
        ],
        "src": [
          "mtr-0.95-3.oe2203sp4.src.rpm"
        ],
        "x86_64": [
          "mtr-0.95-3.oe2203sp4.x86_64.rpm",
          "mtr-debuginfo-0.95-3.oe2203sp4.x86_64.rpm",
          "mtr-debugsource-0.95-3.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "mtr",
        "purl": "pkg:rpm/openEuler/mtr\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.95-3.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mtr-0.95-5.oe2403sp1.aarch64.rpm",
          "mtr-debuginfo-0.95-5.oe2403sp1.aarch64.rpm",
          "mtr-debugsource-0.95-5.oe2403sp1.aarch64.rpm"
        ],
        "noarch": [
          "mtr-help-0.95-5.oe2403sp1.noarch.rpm"
        ],
        "src": [
          "mtr-0.95-5.oe2403sp1.src.rpm"
        ],
        "x86_64": [
          "mtr-0.95-5.oe2403sp1.x86_64.rpm",
          "mtr-debuginfo-0.95-5.oe2403sp1.x86_64.rpm",
          "mtr-debugsource-0.95-5.oe2403sp1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS-SP1",
        "name": "mtr",
        "purl": "pkg:rpm/openEuler/mtr\u0026distro=openEuler-24.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.95-5.oe2403sp1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mtr-0.95-5.oe2403sp3.aarch64.rpm",
          "mtr-debuginfo-0.95-5.oe2403sp3.aarch64.rpm",
          "mtr-debugsource-0.95-5.oe2403sp3.aarch64.rpm"
        ],
        "noarch": [
          "mtr-help-0.95-5.oe2403sp3.noarch.rpm"
        ],
        "src": [
          "mtr-0.95-5.oe2403sp3.src.rpm"
        ],
        "x86_64": [
          "mtr-0.95-5.oe2403sp3.x86_64.rpm",
          "mtr-debuginfo-0.95-5.oe2403sp3.x86_64.rpm",
          "mtr-debugsource-0.95-5.oe2403sp3.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS-SP3",
        "name": "mtr",
        "purl": "pkg:rpm/openEuler/mtr\u0026distro=openEuler-24.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.95-5.oe2403sp3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mtr-0.95-5.oe2403sp4.aarch64.rpm",
          "mtr-debuginfo-0.95-5.oe2403sp4.aarch64.rpm",
          "mtr-debugsource-0.95-5.oe2403sp4.aarch64.rpm"
        ],
        "noarch": [
          "mtr-help-0.95-5.oe2403sp4.noarch.rpm"
        ],
        "src": [
          "mtr-0.95-5.oe2403sp4.src.rpm"
        ],
        "x86_64": [
          "mtr-0.95-5.oe2403sp4.x86_64.rpm",
          "mtr-debuginfo-0.95-5.oe2403sp4.x86_64.rpm",
          "mtr-debugsource-0.95-5.oe2403sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS-SP4",
        "name": "mtr",
        "purl": "pkg:rpm/openEuler/mtr\u0026distro=openEuler-24.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "0.95-5.oe2403sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Medium"
  },
  "details": "It is a network diagnostic tool,it has the \u0026amp;quot;ping\u0026amp;quot; and \u0026amp;quot;traceroute\u0026amp;quot; features. It prints information about the route and packets that sent from the host to the specified destination system.This tool can also print the response times and percentage for all network hops between the systems.\r\n\r\nSecurity Fix(es):\n\nmtr is vulnerable to Out-of-bound read vulnerability in ipinfo_lookup() function. An attacker who can influence the TXT response used for AS lookups can trigger this bug by returning a DNS response that is larger than 512 bytes and uses a crafted compression pointer in the answer NAME field.\u00a0ipinfo_lookup() function uses the length of the response as the\u00a0end-of-message boundary for dn_expand() function.\u00a0The result is a reliable crash.\n\n\nThis issue exists in the mtr through version 0.96 and it was fixed in commit\u00a048e1794414d338ce47abc0f27c25ade8788af9c3.(CVE-2026-14461)",
  "id": "OESA-2026-3158",
  "modified": "2026-08-06T11:12:02Z",
  "published": "2026-07-24T11:12:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-3158"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-14461"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ],
  "summary": "mtr security update",
  "upstream": [
    "CVE-2026-14461"
  ]
}

CVE-2026-14461 (GCVE-0-2026-14461)

Vulnerability from cvelistv5 – Published: 2026-07-10 10:38 – Updated: 2026-07-10 13:14 X_Open Source

Title

Out-of-bound read in mtr

Summary

Severity

5.1 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-10 13:14 UTC

CWE

CWE-125 - Out-of-bounds read

Assigner

CERT-PL ENISA root

References

2 references

URL	Tags
https://cert.pl/en/posts/2026/07/CVE-2026-14461	third-party-advisory
https://github.com/traviscross/mtr/commit/48e1794…	patch

Impacted products

1 product

Vendor	Product	Version
BitWizard	mtr	Affected: 0 , ≤ 0.96 (custom)

Credits

Michał Majchrowicz (AFINE Team) Marcin Wyczechowski (AFINE Team)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-14461",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-07-10T13:14:45.489929Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-07-10T13:14:54.068Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "mtr",
          "programFiles": [
            "ui/asn.c"
          ],
          "programRoutines": [
            {
              "name": "ipinfo_lookup()"
            }
          ],
          "repo": "https://github.com/traviscross/mtr/",
          "vendor": "BitWizard",
          "versions": [
            {
              "lessThanOrEqual": "0.96",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Micha\u0142 Majchrowicz (AFINE Team)"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Marcin Wyczechowski (AFINE Team)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "mtr is vulnerable to Out-of-bound read vulnerability in ipinfo_lookup() function. An attacker who can influence the TXT response used for AS lookups can trigger this bug by returning a DNS response that is larger than 512 bytes and uses a crafted compression pointer in the answer NAME field.\u0026nbsp;ipinfo_lookup() function uses the length of the response as the\u0026nbsp;end-of-message boundary for dn_expand() function.\u0026nbsp;The result is a reliable crash.\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eThis issue exists in the mtr through version 0.96 and it was fixed in commit\u0026nbsp;48e1794414d338ce47abc0f27c25ade8788af9c3.\u003c/div\u003e"
            }
          ],
          "value": "mtr is vulnerable to Out-of-bound read vulnerability in ipinfo_lookup() function. An attacker who can influence the TXT response used for AS lookups can trigger this bug by returning a DNS response that is larger than 512 bytes and uses a crafted compression pointer in the answer NAME field.\u00a0ipinfo_lookup() function uses the length of the response as the\u00a0end-of-message boundary for dn_expand() function.\u00a0The result is a reliable crash.\n\n\nThis issue exists in the mtr through version 0.96 and it was fixed in commit\u00a048e1794414d338ce47abc0f27c25ade8788af9c3."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-540",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-540 Overread Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "ACTIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-125",
              "description": "CWE-125 Out-of-bounds read",
              "lang": "en",
              "type": "CWE"
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          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-07-10T10:38:28.947Z",
        "orgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
        "shortName": "CERT-PL"
      },
      "references": [
        {
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://cert.pl/en/posts/2026/07/CVE-2026-14461"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/traviscross/mtr/commit/48e1794414d338ce47abc0f27c25ade8788af9c3"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "tags": [
        "x_open-source"
      ],
      "title": "Out-of-bound read in mtr",
      "x_generator": {
        "engine": "Vulnogram 1.0.3"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
    "assignerShortName": "CERT-PL",
    "cveId": "CVE-2026-14461",
    "datePublished": "2026-07-10T10:38:28.947Z",
    "dateReserved": "2026-07-02T08:57:32.810Z",
    "dateUpdated": "2026-07-10T13:14:54.068Z",
    "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.

Detection rules are retrieved from Rulezet.

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

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