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

Vulnerability from cvelistv5 – Published: 2026-03-29 08:45 – Updated: 2026-03-29 08:45 X_Open Source
VLAI?
Title
mxml mxmlIndexNew mxml-index.c index_sort stack-based overflow
Summary
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.
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
CWE
Assigner
References
Impacted products
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
To clipboard 

{
  "containers": {
    "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": [
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          "type": "reporter",
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        }
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          "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": [
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            "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"
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            "baseSeverity": "LOW",
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      "problemTypes": [
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      "providerMetadata": {
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        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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      "references": [
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          "tags": [
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          "url": "https://vuldb.com/vuln/353963"
        },
        {
          "name": "VDB-353963 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
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            "permissions-required"
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          "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"
          ],
          "url": "https://github.com/user-attachments/files/25934383/1.xml"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/michaelrsweet/mxml/commit/6e27354466092a1ac65601e01ce6708710bb9fa5"
        }
      ],
      "tags": [
        "x_open-source"
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      "timeline": [
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          "lang": "en",
          "time": "2026-03-27T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "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": "2026-03-29T08:45:11.533Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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Sightings

Author Source Type Date

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.



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