github - ghsa-93q9-crcw-vwgq

GHSA-93Q9-CRCW-VWGQ

Vulnerability from github – Published: 2025-11-28 09:30 – Updated: 2025-12-02 03:31

Details

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.

Severity ?

2.9 (Low)


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

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2025-66382"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-407"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-11-28T07:15:57Z",
    "severity": "LOW"
  },
  "details": "In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.",
  "id": "GHSA-93q9-crcw-vwgq",
  "modified": "2025-12-02T03:31:41Z",
  "published": "2025-11-28T09:30:17Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-66382"
    },
    {
      "type": "WEB",
      "url": "https://github.com/libexpat/libexpat/issues/1076"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2025/12/02/1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-66382 (GCVE-0-2025-66382)

Vulnerability from cvelistv5 – Published: 2025-11-28 00:00 – Updated: 2025-12-03 16:08

Summary

In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.

Severity ?

2.9 (Low)


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

CWE

CWE-407 - Inefficient Algorithmic Complexity

Assigner

mitre

References

URL

Tags

https://github.com/libexpat/libexpat/issues/1076

Impacted products

	Vendor	Product	Version
	libexpat project	libexpat	Affected: 0 , ≤ 2.7.3 (semver)

Show details on NVD website

JSON

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  "containers": {
    "adp": [
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        "providerMetadata": {
          "dateUpdated": "2025-12-02T02:34:18.532Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2025/12/02/1"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-66382",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-03T16:08:41.228187Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-12-03T16:08:46.903Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "libexpat",
          "vendor": "libexpat project",
          "versions": [
            {
              "lessThanOrEqual": "2.7.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*",
                  "versionEndIncluding": "2.7.3",
                  "vulnerable": true
                }
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              "operator": "OR"
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          "value": "In libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time."
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      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 2.9,
            "baseSeverity": "LOW",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.1"
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      "problemTypes": [
        {
          "descriptions": [
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              "cweId": "CWE-407",
              "description": "CWE-407 Inefficient Algorithmic Complexity",
              "lang": "en",
              "type": "CWE"
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          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-28T06:07:48.705Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
      "references": [
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          "url": "https://github.com/libexpat/libexpat/issues/1076"
        }
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      "x_generator": {
        "engine": "enrichogram 0.0.1"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2025-66382",
    "datePublished": "2025-11-28T00:00:00.000Z",
    "dateReserved": "2025-11-28T00:00:00.000Z",
    "dateUpdated": "2025-12-03T16:08:46.903Z",
    "state": "PUBLISHED"
  },
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-93Q9-CRCW-VWGQ

CVE-2025-66382 (GCVE-0-2025-66382)

Tags

Sightings

Nomenclature