Vulnerability-Lookup

OESA-2026-1860 (CVE-2026-5037)

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

Summary

mxml security update

Details

Mini-XML is a small XML parsing library that you can use to read XML and XML-like data files in your application without requiring large non-standard libraries.

Security Fix(es):

A vulnerability was determined in mxml up to 4.0.4. This issue affects the function index_sort of the file mxml-index.c of the component mxmlIndexNew. Executing a manipulation of the argument tempr can lead to stack-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 6e27354466092a1ac65601e01ce6708710bb9fa5. A patch should be applied to remediate this issue.(CVE-2026-5037)

Severity

3.3 (Low)


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

References

URL

Type

	https://www.openeuler.org/zh/security/security-bu…	ADVISORY
	https://nvd.nist.gov/vuln/detail/CVE-2026-5037	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "mxml-3.3.1-2.oe2403sp3.aarch64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp3.aarch64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp3.aarch64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp3.aarch64.rpm"
        ],
        "src": [
          "mxml-3.3.1-2.oe2403sp3.src.rpm"
        ],
        "x86_64": [
          "mxml-3.3.1-2.oe2403sp3.x86_64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp3.x86_64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp3.x86_64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp3.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS-SP3",
        "name": "mxml",
        "purl": "pkg:rpm/openEuler/mxml\u0026distro=openEuler-24.03-LTS-SP3"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.1-2.oe2403sp3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mxml-3.2-2.oe2003sp4.aarch64.rpm",
          "mxml-debuginfo-3.2-2.oe2003sp4.aarch64.rpm",
          "mxml-debugsource-3.2-2.oe2003sp4.aarch64.rpm",
          "mxml-devel-3.2-2.oe2003sp4.aarch64.rpm"
        ],
        "src": [
          "mxml-3.2-2.oe2003sp4.src.rpm"
        ],
        "x86_64": [
          "mxml-3.2-2.oe2003sp4.x86_64.rpm",
          "mxml-debuginfo-3.2-2.oe2003sp4.x86_64.rpm",
          "mxml-debugsource-3.2-2.oe2003sp4.x86_64.rpm",
          "mxml-devel-3.2-2.oe2003sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:20.03-LTS-SP4",
        "name": "mxml",
        "purl": "pkg:rpm/openEuler/mxml\u0026distro=openEuler-20.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2-2.oe2003sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mxml-3.2-2.oe2203sp4.aarch64.rpm",
          "mxml-debuginfo-3.2-2.oe2203sp4.aarch64.rpm",
          "mxml-debugsource-3.2-2.oe2203sp4.aarch64.rpm",
          "mxml-devel-3.2-2.oe2203sp4.aarch64.rpm"
        ],
        "src": [
          "mxml-3.2-2.oe2203sp4.src.rpm"
        ],
        "x86_64": [
          "mxml-3.2-2.oe2203sp4.x86_64.rpm",
          "mxml-debuginfo-3.2-2.oe2203sp4.x86_64.rpm",
          "mxml-debugsource-3.2-2.oe2203sp4.x86_64.rpm",
          "mxml-devel-3.2-2.oe2203sp4.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:22.03-LTS-SP4",
        "name": "mxml",
        "purl": "pkg:rpm/openEuler/mxml\u0026distro=openEuler-22.03-LTS-SP4"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2-2.oe2203sp4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mxml-3.3.1-2.oe2403sp3.aarch64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp3.aarch64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp3.aarch64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp3.aarch64.rpm",
          "mxml-3.3.1-2.oe2403.aarch64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403.aarch64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403.aarch64.rpm",
          "mxml-devel-3.3.1-2.oe2403.aarch64.rpm",
          "mxml-3.3.1-2.oe2403sp1.aarch64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp1.aarch64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp1.aarch64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp1.aarch64.rpm",
          "mxml-3.3.1-2.oe2403sp2.aarch64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp2.aarch64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp2.aarch64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp2.aarch64.rpm"
        ],
        "src": [
          "mxml-3.3.1-2.oe2403sp3.src.rpm",
          "mxml-3.3.1-2.oe2403.src.rpm",
          "mxml-3.3.1-2.oe2403sp1.src.rpm",
          "mxml-3.3.1-2.oe2403sp2.src.rpm"
        ],
        "x86_64": [
          "mxml-3.3.1-2.oe2403sp3.x86_64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp3.x86_64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp3.x86_64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp3.x86_64.rpm",
          "mxml-3.3.1-2.oe2403.x86_64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403.x86_64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403.x86_64.rpm",
          "mxml-devel-3.3.1-2.oe2403.x86_64.rpm",
          "mxml-3.3.1-2.oe2403sp1.x86_64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp1.x86_64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp1.x86_64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp1.x86_64.rpm",
          "mxml-3.3.1-2.oe2403sp2.x86_64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp2.x86_64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp2.x86_64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp2.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS",
        "name": "mxml",
        "purl": "pkg:rpm/openEuler/mxml\u0026distro=openEuler-24.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.1-2.oe2403sp2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mxml-3.3.1-2.oe2403sp1.aarch64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp1.aarch64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp1.aarch64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp1.aarch64.rpm"
        ],
        "src": [
          "mxml-3.3.1-2.oe2403sp1.src.rpm"
        ],
        "x86_64": [
          "mxml-3.3.1-2.oe2403sp1.x86_64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp1.x86_64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp1.x86_64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp1.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS-SP1",
        "name": "mxml",
        "purl": "pkg:rpm/openEuler/mxml\u0026distro=openEuler-24.03-LTS-SP1"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.1-2.oe2403sp1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "aarch64": [
          "mxml-3.3.1-2.oe2403sp2.aarch64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp2.aarch64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp2.aarch64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp2.aarch64.rpm"
        ],
        "src": [
          "mxml-3.3.1-2.oe2403sp2.src.rpm"
        ],
        "x86_64": [
          "mxml-3.3.1-2.oe2403sp2.x86_64.rpm",
          "mxml-debuginfo-3.3.1-2.oe2403sp2.x86_64.rpm",
          "mxml-debugsource-3.3.1-2.oe2403sp2.x86_64.rpm",
          "mxml-devel-3.3.1-2.oe2403sp2.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS-SP2",
        "name": "mxml",
        "purl": "pkg:rpm/openEuler/mxml\u0026distro=openEuler-24.03-LTS-SP2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.3.1-2.oe2403sp2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "Low"
  },
  "details": "Mini-XML is a small XML parsing library that you can use to read XML and XML-like data files in your application without requiring large non-standard libraries.\r\n\r\nSecurity Fix(es):\n\nA vulnerability was determined in mxml up to 4.0.4. This issue affects the function index_sort of the file mxml-index.c of the component mxmlIndexNew. Executing a manipulation of the argument tempr can lead to stack-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 6e27354466092a1ac65601e01ce6708710bb9fa5. A patch should be applied to remediate this issue.(CVE-2026-5037)",
  "id": "OESA-2026-1860",
  "modified": "2026-08-06T11:10:52Z",
  "published": "2026-04-11T11:10:52Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1860"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5037"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "mxml security update",
  "upstream": [
    "CVE-2026-5037"
  ]
}

CVE-2026-5037 (GCVE-0-2026-5037)

Vulnerability from cvelistv5 – Published: 2026-03-29 08:45 – Updated: 2026-04-01 14:32 X_Open Source

Title

mxml mxmlIndexNew mxml-index.c index_sort stack-based overflow

Summary

Severity

4.8 (Medium)


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

3.3 (Low)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

3.3 (Low)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-01 14:31 UTC

CWE

CWE-121 - Stack-based Buffer Overflow
CWE-119 - Memory Corruption

Assigner

VulDB mitre root

References

7 references

URL	Tags
https://vuldb.com/vuln/353963	vdb-entrytechnical-description
https://vuldb.com/vuln/353963/cti	signaturepermissions-required
https://vuldb.com/submit/778638	third-party-advisory
https://github.com/michaelrsweet/mxml/issues/350	issue-tracking
https://github.com/michaelrsweet/mxml/issues/350#…	issue-tracking
https://github.com/user-attachments/files/2593438…	exploit
https://github.com/michaelrsweet/mxml/commit/6e27…	patch

Impacted products

1 product

Vendor	Product	Version
n/a	mxml	Affected: 4.0.0 Affected: 4.0.1 Affected: 4.0.2 Affected: 4.0.3 Affected: 4.0.4

Credits

MTHG (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-5037",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-01T14:31:32.923342Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-01T14:32:02.218Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "modules": [
            "mxmlIndexNew"
          ],
          "product": "mxml",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "4.0.0"
            },
            {
              "status": "affected",
              "version": "4.0.1"
            },
            {
              "status": "affected",
              "version": "4.0.2"
            },
            {
              "status": "affected",
              "version": "4.0.3"
            },
            {
              "status": "affected",
              "version": "4.0.4"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "MTHG (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was determined in mxml up to 4.0.4. This issue affects the function index_sort of the file mxml-index.c of the component mxmlIndexNew. Executing a manipulation of the argument tempr can lead to stack-based buffer overflow. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. This patch is called 6e27354466092a1ac65601e01ce6708710bb9fa5. A patch should be applied to remediate this issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 1.7,
            "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-121",
              "description": "Stack-based Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-29T08:45:11.533Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-353963 | mxml mxmlIndexNew mxml-index.c index_sort stack-based overflow",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/vuln/353963"
        },
        {
          "name": "VDB-353963 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/vuln/353963/cti"
        },
        {
          "name": "Submit #778638 | michaelrsweet mxml 4.0.4 Heap-based Buffer Overflow",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/submit/778638"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/michaelrsweet/mxml/issues/350"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/michaelrsweet/mxml/issues/350#issuecomment-4051317229"
        },
        {
          "tags": [
            "exploit"
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          "url": "https://github.com/user-attachments/files/25934383/1.xml"
        },
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          "url": "https://github.com/michaelrsweet/mxml/commit/6e27354466092a1ac65601e01ce6708710bb9fa5"
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          "lang": "en",
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          "value": "Advisory disclosed"
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        {
          "lang": "en",
          "time": "2026-03-27T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2026-03-27T17:28:55.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "mxml mxmlIndexNew mxml-index.c index_sort stack-based overflow"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2026-5037",
    "datePublished": "2026-03-29T08:45:11.533Z",
    "dateReserved": "2026-03-27T16:23:50.496Z",
    "dateUpdated": "2026-04-01T14:32:02.218Z",
    "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-2026-1860 (CVE-2026-5037)

CVE-2026-5037 (GCVE-0-2026-5037)

Tags

Sightings

Nomenclature

Related by attack behaviour