certfr_avis - certfr-2025-avi-1060

CERTFR-2025-AVI-1060

Vulnerability from certfr_avis - Published: 2025-12-03 - Updated: 2025-12-03

De multiples vulnérabilités ont été découvertes dans Python. Elles permettent à un attaquant de provoquer un déni de service à distance.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

	Vendor	Product	Description
	Python	CPython	Python sans les derniers correctifs de sécurité

References

Title

Publication Time

Tags

Bulletin de sécurité Python 2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C	2025-12-01	vendor-advisory
Bulletin de sécurité Python OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO	2025-12-01	vendor-advisory

Show details on source website

JSON

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{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Python sans les derniers correctifs de s\u00e9curit\u00e9",
      "product": {
        "name": "CPython",
        "vendor": {
          "name": "Python",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2025-13837",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-13837"
    },
    {
      "name": "CVE-2025-13836",
      "url": "https://www.cve.org/CVERecord?id=CVE-2025-13836"
    }
  ],
  "initial_release_date": "2025-12-03T00:00:00",
  "last_revision_date": "2025-12-03T00:00:00",
  "links": [],
  "reference": "CERTFR-2025-AVI-1060",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2025-12-03T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Python. Elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans Python",
  "vendor_advisories": [
    {
      "published_at": "2025-12-01",
      "title": "Bulletin de s\u00e9curit\u00e9 Python 2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/"
    },
    {
      "published_at": "2025-12-01",
      "title": "Bulletin de s\u00e9curit\u00e9 Python OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO",
      "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/OQ6G7MKRQIS3OAREC3HNG3D2DPOU34XO/"
    }
  ]
}

CVE-2025-13837 (GCVE-0-2025-13837)

Vulnerability from cvelistv5 – Published: 2025-12-01 18:13 – Updated: 2025-12-02 17:42

Summary

When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues

Severity ?

2.1 (Low)


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

Assigner

PSF

References

URL

Tags

	https://github.com/python/cpython/pull/119343	patch
	https://github.com/python/cpython/issues/119342	issue-tracking
	https://github.com/python/cpython/commit/694922cf…	patch
	https://github.com/python/cpython/commit/71fa8eb8…	patch
	https://github.com/python/cpython/commit/b64441e4…	patch
	https://mail.python.org/archives/list/security-an…	vendor-advisory

Impacted products

	Vendor	Product	Version
	Python Software Foundation	CPython	Affected: 0 , < 3.13.10 (python) Affected: 3.14.0 , < 3.14.1 (python) Affected: 3.15.0a1 , < 3.15.0 (python)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-13837",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
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                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-01T18:23:28.615317Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2025-12-01T18:23:49.846Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
      "affected": [
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          "defaultStatus": "unaffected",
          "modules": [
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              "version": "3.14.0",
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              "lessThan": "3.15.0",
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      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
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              "type": "text/html",
              "value": "When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues"
            }
          ],
          "value": "When loading a plist file, the plistlib module reads data in size specified by the file itself, meaning a malicious file can cause OOM and DoS issues"
        }
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      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "LOCAL",
            "baseScore": 2.1,
            "baseSeverity": "LOW",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
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            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "LOW",
            "userInteraction": "NONE",
            "valueDensity": "NOT_DEFINED",
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            "version": "4.0",
            "vulnAvailabilityImpact": "LOW",
            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "scenarios": [
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        "dateUpdated": "2025-12-02T17:42:56.740Z",
        "orgId": "28c92f92-d60d-412d-b760-e73465c3df22",
        "shortName": "PSF"
      },
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          "tags": [
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          "url": "https://github.com/python/cpython/pull/119343"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/python/cpython/issues/119342"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/python/cpython/commit/694922cf40aa3a28f898b5f5ee08b71b4922df70"
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          "tags": [
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          "url": "https://github.com/python/cpython/commit/71fa8eb8233b37f16c88b6e3e583b461b205d1ba"
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          "tags": [
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          "url": "https://github.com/python/cpython/commit/b64441e4852383645af5b435411a6f849dd1b4cb"
        },
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://mail.python.org/archives/list/security-announce@python.org/thread/2X5IBCJXRQAZ5PSERLHMSJFBHFR3QM2C/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Out-of-memory when loading Plist",
      "x_generator": {
        "engine": "Vulnogram 0.5.0"
      }
    }
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  "cveMetadata": {
    "assignerOrgId": "28c92f92-d60d-412d-b760-e73465c3df22",
    "assignerShortName": "PSF",
    "cveId": "CVE-2025-13837",
    "datePublished": "2025-12-01T18:13:32.739Z",
    "dateReserved": "2025-12-01T17:54:41.439Z",
    "dateUpdated": "2025-12-02T17:42:56.740Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2025-13836 (GCVE-0-2025-13836)

Vulnerability from cvelistv5 – Published: 2025-12-01 18:02 – Updated: 2025-12-02 18:29

Summary

When reading an HTTP response from a server, if no read amount is specified, the default behavior will be to use Content-Length. This allows a malicious server to cause the client to read large amounts of data into memory, potentially causing OOM or other DoS.

Severity ?

6.3 (Medium)


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

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

PSF

References

URL

Tags

	https://github.com/python/cpython/issues/119451	issue-tracking
	https://github.com/python/cpython/pull/119454	patch
	https://github.com/python/cpython/commit/4ce27904…	patch
	https://github.com/python/cpython/commit/5a4c4a03…	patch
	https://mail.python.org/archives/list/security-an…	vendor-advisory

Impacted products

	Vendor	Product	Version
	Python Software Foundation	CPython	Affected: 0 , < 3.14.1 (python) Affected: 3.15.0a1 , < 3.15.0 (python)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-13836",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-12-01T18:32:37.506031Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-400",
                "description": "CWE-400 Uncontrolled Resource Consumption",
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          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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      "affected": [
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          "defaultStatus": "unaffected",
          "modules": [
            "http.client"
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          "product": "CPython",
          "repo": "https://github.com/python/cpython",
          "vendor": "Python Software Foundation",
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              "version": "0",
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              "status": "affected",
              "version": "3.15.0a1",
              "versionType": "python"
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        }
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          "supportingMedia": [
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          "tags": [
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          "url": "https://github.com/python/cpython/pull/119454"
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          "url": "https://github.com/python/cpython/commit/5a4c4a033a4a54481be6870aa1896fad732555b5"
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          "tags": [
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        }
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Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

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

CERTFR-2025-AVI-1060

Solutions

CVE-2025-13837 (GCVE-0-2025-13837)

CVE-2025-13836 (GCVE-0-2025-13836)

Tags

Sightings

Nomenclature