pysec - pysec-2023-56

pysec-2023-56

Vulnerability from pysec

Published

2023-04-03 17:15

Modified

2023-05-04 03:49

Details

Wagtail is an open source content management system built on Django. Prior to versions 4.1.4 and 4.2.2, a memory exhaustion bug exists in Wagtail's handling of uploaded images and documents. For both images and documents, files are loaded into memory during upload for additional processing. A user with access to upload images or documents through the Wagtail admin interface could upload a file so large that it results in a crash of denial of service. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. It can only be exploited by admin users with permission to upload images or documents. Image uploads are restricted to 10MB by default, however this validation only happens on the frontend and on the backend after the vulnerable code. Patched versions have been released as Wagtail 4.1.4 and Wagtail 4.2.2). Site owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files.

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail",
        "purl": "pkg:pypi/wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf"
            },
            {
              "fixed": "3c0c64642b9e5b8d28b111263c7f4bddad6c3880"
            },
            {
              "fixed": "c9d2fcd650a88d76ae122646142245e5927a9165"
            },
            {
              "fixed": "d4022310cbe497993459c3136311467c7ac6329a"
            }
          ],
          "repo": "https://github.com/wagtail/wagtail",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "4.2"
            },
            {
              "fixed": "4.2.2"
            },
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.1",
        "0.2",
        "0.3",
        "0.3.1",
        "0.4",
        "0.4.1",
        "0.5",
        "0.6",
        "0.7",
        "0.8",
        "0.8.1",
        "0.8.10",
        "0.8.2",
        "0.8.3",
        "0.8.4",
        "0.8.5",
        "0.8.6",
        "0.8.7",
        "0.8.8",
        "0.8.9",
        "1.0",
        "1.0b1",
        "1.0b2",
        "1.0rc1",
        "1.0rc2",
        "1.1",
        "1.10",
        "1.10.1",
        "1.10rc1",
        "1.11",
        "1.11.1",
        "1.11rc1",
        "1.12",
        "1.12.1",
        "1.12.2",
        "1.12.3",
        "1.12.4",
        "1.12.5",
        "1.12.6",
        "1.12rc1",
        "1.13",
        "1.13.1",
        "1.13.2",
        "1.13.3",
        "1.13.4",
        "1.13rc1",
        "1.1rc1",
        "1.2",
        "1.2rc1",
        "1.3",
        "1.3.1",
        "1.3rc1",
        "1.4",
        "1.4.1",
        "1.4.2",
        "1.4.3",
        "1.4.4",
        "1.4.5",
        "1.4.6",
        "1.4rc1",
        "1.5",
        "1.5.1",
        "1.5.2",
        "1.5.3",
        "1.5rc1",
        "1.6",
        "1.6.1",
        "1.6.2",
        "1.6.3",
        "1.6rc1",
        "1.7",
        "1.7rc1",
        "1.8",
        "1.8.1",
        "1.8.2",
        "1.8rc1",
        "1.9",
        "1.9.1",
        "1.9rc1",
        "2.0",
        "2.0.1",
        "2.0.2",
        "2.0b1",
        "2.0rc1",
        "2.1",
        "2.1.1",
        "2.1.2",
        "2.1.3",
        "2.10",
        "2.10.1",
        "2.10.2",
        "2.10rc1",
        "2.10rc2",
        "2.11",
        "2.11.1",
        "2.11.2",
        "2.11.3",
        "2.11.4",
        "2.11.5",
        "2.11.6",
        "2.11.7",
        "2.11.8",
        "2.11.9",
        "2.11rc1",
        "2.12",
        "2.12.1",
        "2.12.2",
        "2.12.3",
        "2.12.4",
        "2.12.5",
        "2.12.6",
        "2.12rc1",
        "2.13",
        "2.13.1",
        "2.13.2",
        "2.13.3",
        "2.13.4",
        "2.13.5",
        "2.13rc1",
        "2.13rc2",
        "2.13rc3",
        "2.14",
        "2.14.1",
        "2.14.2",
        "2.14rc1",
        "2.15",
        "2.15.1",
        "2.15.2",
        "2.15.3",
        "2.15.4",
        "2.15.5",
        "2.15.6",
        "2.15rc1",
        "2.15rc2",
        "2.16",
        "2.16.1",
        "2.16.2",
        "2.16.3",
        "2.16rc1",
        "2.16rc2",
        "2.1rc1",
        "2.1rc2",
        "2.2",
        "2.2.1",
        "2.2.2",
        "2.2rc1",
        "2.2rc2",
        "2.3",
        "2.3rc1",
        "2.3rc2",
        "2.4",
        "2.4rc1",
        "2.5",
        "2.5.1",
        "2.5.2",
        "2.5rc1",
        "2.6",
        "2.6.1",
        "2.6.2",
        "2.6.3",
        "2.6rc1",
        "2.7",
        "2.7.1",
        "2.7.2",
        "2.7.3",
        "2.7.4",
        "2.7rc1",
        "2.7rc2",
        "2.8",
        "2.8.1",
        "2.8.2",
        "2.8rc1",
        "2.9",
        "2.9.1",
        "2.9.2",
        "2.9.3",
        "2.9rc1",
        "3.0",
        "3.0.1",
        "3.0.2",
        "3.0.3",
        "3.0rc1",
        "3.0rc2",
        "3.0rc3",
        "4.0",
        "4.0.1",
        "4.0.2",
        "4.0.3",
        "4.0.4",
        "4.0rc1",
        "4.0rc2",
        "4.1",
        "4.1.1",
        "4.1.2",
        "4.1.3",
        "4.1rc1",
        "4.2",
        "4.2.1"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-28837",
    "GHSA-33pv-vcgh-jfg9"
  ],
  "details": "Wagtail is an open source content management system built on Django. Prior to versions 4.1.4 and 4.2.2, a memory exhaustion bug exists in Wagtail\u0027s handling of uploaded images and documents. For both images and documents, files are loaded into memory during upload for additional processing. A user with access to upload images or documents through the Wagtail admin interface could upload a file so large that it results in a crash of denial of service. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. It can only be exploited by admin users with permission to upload images or documents. Image uploads are restricted to 10MB by default, however this validation only happens on the frontend and on the backend after the vulnerable code. Patched versions have been released as Wagtail 4.1.4 and Wagtail 4.2.2). Site owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files.",
  "id": "PYSEC-2023-56",
  "modified": "2023-05-04T03:49:48.874145Z",
  "published": "2023-04-03T17:15:00Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/releases/tag/v4.2.2"
    },
    {
      "type": "FIX",
      "url": "https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9"
    },
    {
      "type": "WEB",
      "url": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size"
    },
    {
      "type": "FIX",
      "url": "https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165"
    },
    {
      "type": "FIX",
      "url": "https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/releases/tag/v4.1.4"
    }
  ]
}

cve-2023-28837

Vulnerability from cvelistv5

Published

2023-04-03 16:41

Modified

2024-08-02 13:51

Severity ?

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

Summary

Wagtail vulnerable to denial-of-service via memory exhaustion when uploading large files

References

▼	URL	Tags
	https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9	x_refsource_CONFIRM
	https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880	x_refsource_MISC
	https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165	x_refsource_MISC
	https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf	x_refsource_MISC
	https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a	x_refsource_MISC
	https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size	x_refsource_MISC
	https://github.com/wagtail/wagtail/releases/tag/v4.1.4	x_refsource_MISC
	https://github.com/wagtail/wagtail/releases/tag/v4.2.2	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

wagtail

Version: < 4.1.4
Version: >= 4.2, < 4.2.2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T13:51:38.627Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
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            "url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9"
          },
          {
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          },
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            "tags": [
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            "name": "https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a",
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            ],
            "url": "https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a"
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          {
            "name": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size",
            "tags": [
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            "url": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size"
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            "url": "https://github.com/wagtail/wagtail/releases/tag/v4.2.2"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "wagtail",
          "vendor": "wagtail",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 4.1.4"
            },
            {
              "status": "affected",
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            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Wagtail is an open source content management system built on Django. Prior to versions 4.1.4 and 4.2.2, a memory exhaustion bug exists in Wagtail\u0027s handling of uploaded images and documents. For both images and documents, files are loaded into memory during upload for additional processing. A user with access to upload images or documents through the Wagtail admin interface could upload a file so large that it results in a crash of denial of service.\n\nThe vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. It can only be exploited by admin users with permission to upload images or documents.\n\nImage uploads are restricted to 10MB by default, however this validation only happens on the frontend and on the backend after the vulnerable code. \n\nPatched versions have been released as Wagtail 4.1.4 and Wagtail 4.2.2). Site owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 4.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          }
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      "problemTypes": [
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          "descriptions": [
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              "description": "CWE-400: Uncontrolled Resource Consumption",
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            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-770",
              "description": "CWE-770: Allocation of Resources Without Limits or Throttling",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
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      },
      "references": [
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            "x_refsource_CONFIRM"
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          "url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9"
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        {
          "name": "https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880",
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880"
        },
        {
          "name": "https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165"
        },
        {
          "name": "https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf"
        },
        {
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a"
        },
        {
          "name": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size"
        },
        {
          "name": "https://github.com/wagtail/wagtail/releases/tag/v4.1.4",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/wagtail/wagtail/releases/tag/v4.1.4"
        },
        {
          "name": "https://github.com/wagtail/wagtail/releases/tag/v4.2.2",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/wagtail/wagtail/releases/tag/v4.2.2"
        }
      ],
      "source": {
        "advisory": "GHSA-33pv-vcgh-jfg9",
        "discovery": "UNKNOWN"
      },
      "title": "Wagtail vulnerable to denial-of-service via memory exhaustion when uploading large files"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-28837",
    "datePublished": "2023-04-03T16:41:19.467Z",
    "dateReserved": "2023-03-24T16:25:34.465Z",
    "dateUpdated": "2024-08-02T13:51:38.627Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

ghsa-33pv-vcgh-jfg9

Vulnerability from github

Published

2023-04-03 19:18

Modified

2024-11-19 16:24

Severity ?

4.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
5.9 (Medium) - CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Summary

Wagtail vulnerable to denial-of-service via memory exhaustion when uploading large files

Details

Impact

A memory exhaustion bug exists in Wagtail's handling of uploaded images and documents. For both images and documents, files are loaded into memory during upload for additional processing. A user with access to upload images or documents through the Wagtail admin interface could upload a file so large that it results in a crash or denial of service.

The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. It can only be exploited by admin users with permission to upload images or documents.

Image uploads are restricted to 10MB by default, however this validation only happens on the frontend and on the backend after the vulnerable code.

Patches

Patched versions have been released as Wagtail 4.1.4 (for the LTS 4.1 branch) and Wagtail 4.2.2 (for the current 4.2 branch).

Workarounds

Site owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files. Exactly how this is done will vary based on your hosting environment, but here are a few references for common setups:

Nginx: client_max_body_size
Apache: LimitRequestBody
Cloudflare: Already imposes a limit of 100MB - 500MB depending on plan
CloudFront: SizeConstraint
Traefik: traefik.http.middlewares.limit.buffering.maxRequestBodyBytes

The changes themselves are deep inside Wagtail, making patching incredibly difficult.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.2"
            },
            {
              "fixed": "4.2.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "wagtail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-28837"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-400",
      "CWE-770"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-04-03T19:18:09Z",
    "nvd_published_at": "2023-04-03T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nA memory exhaustion bug exists in Wagtail\u0027s handling of uploaded images and documents. For both images and documents, files are loaded into memory during upload for additional processing. A user with access to upload images or documents through the Wagtail admin interface could upload a file so large that it results in a crash or denial of service.\n\nThe vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. It can only be exploited by admin users with permission to upload images or documents.\n\nImage uploads are [restricted to 10MB by default](https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size), however this validation only happens on the frontend and on the backend after the vulnerable code. \n\n### Patches\n\nPatched versions have been released as Wagtail 4.1.4 (for the LTS 4.1 branch) and Wagtail 4.2.2 (for the current 4.2 branch).\n\n### Workarounds\n\nSite owners who are unable to upgrade to the new versions are encouraged to add extra protections outside of Wagtail to limit the size of uploaded files. Exactly how this is done will vary based on your hosting environment, but here are a few references for common setups:\n\n- Nginx: [`client_max_body_size`](https://nginx.org/en/docs/http/ngx_http_core_module.html#client_max_body_size)\n- Apache: [`LimitRequestBody`](https://httpd.apache.org/docs/2.4/mod/core.html#limitrequestbody)\n- Cloudflare: Already [imposes a limit of 100MB - 500MB](https://developers.cloudflare.com/cache/about/default-cache-behavior#customization-options-and-limitations) depending on plan\n- CloudFront: [`SizeConstraint`](https://docs.aws.amazon.com/waf/latest/APIReference/API_SizeConstraintStatement.html)\n- Traefik: [`traefik.http.middlewares.limit.buffering.maxRequestBodyBytes`](https://doc.traefik.io/traefik/middlewares/http/buffering/#maxrequestbodybytes)\n\nThe changes themselves are deep inside Wagtail, making patching incredibly difficult.",
  "id": "GHSA-33pv-vcgh-jfg9",
  "modified": "2024-11-19T16:24:55Z",
  "published": "2023-04-03T19:18:09Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-33pv-vcgh-jfg9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-28837"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/commit/3c0c64642b9e5b8d28b111263c7f4bddad6c3880"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/commit/c9d2fcd650a88d76ae122646142245e5927a9165"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/commit/cfa11bbe00dbe7ce8cd4c0bbfe2a898a690df2bf"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/commit/d4022310cbe497993459c3136311467c7ac6329a"
    },
    {
      "type": "WEB",
      "url": "https://docs.wagtail.org/en/stable/reference/settings.html#wagtailimages-max-upload-size"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/wagtail/PYSEC-2023-56.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/wagtail/wagtail"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/releases/tag/v4.1.4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wagtail/wagtail/releases/tag/v4.2.2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Wagtail vulnerable to denial-of-service via memory exhaustion when uploading large files"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

pysec-2023-56

Vulnerability from pysec

cve-2023-28837

Vulnerability from cvelistv5

ghsa-33pv-vcgh-jfg9

Vulnerability from github

Impact

Patches

Workarounds

Tags

Sightings

Nomenclature