Vulnerability-Lookup

PYSEC-2025-193

Vulnerability from pysec - Published: 2025-03-31 15:15 - Updated: 2025-05-29 15:53

Details

A vulnerability was found in PyTorch 2.6.0. It has been rated as critical. Affected by this issue is the function torch.nn.utils.rnn.unpack_sequence. The manipulation leads to memory corruption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.

Severity

4.8 (Medium)


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

Impacted products

Name	purl
torch	pkg:pypi/torch

Aliases

CVE-2025-2999

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "torch",
        "purl": "pkg:pypi/torch"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2.6.0-NA"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-2999"
  ],
  "details": "A vulnerability was found in PyTorch 2.6.0. It has been rated as critical. Affected by this issue is the function torch.nn.utils.rnn.unpack_sequence. The manipulation leads to memory corruption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used.",
  "id": "PYSEC-2025-193",
  "modified": "2025-05-29T15:53:46.950Z",
  "published": "2025-03-31T15:15:44.657Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?id.302048"
    },
    {
      "type": "ADVISORY",
      "url": "https://vuldb.com/?submit.524198"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pytorch/pytorch/issues/149622"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/pytorch/pytorch/issues/149622#issue-2935495265"
    },
    {
      "type": "REPORT",
      "url": "https://vuldb.com/?ctiid.302048"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2025-2999 (GCVE-0-2025-2999)

Vulnerability from cvelistv5 – Published: 2025-03-31 14:31 – Updated: 2025-03-31 15:15

Title

PyTorch torch.nn.utils.rnn.unpack_sequence memory corruption

Summary

Severity

4.8 (Medium)


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

5.3 (Medium)


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

5.3 (Medium)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CWE

CWE-119 - Memory Corruption

Assigner

VulDB

References

5 references

URL	Tags
https://vuldb.com/?id.302048	vdb-entrytechnical-description
https://vuldb.com/?ctiid.302048	signaturepermissions-required
https://vuldb.com/?submit.524198	third-party-advisory
https://github.com/pytorch/pytorch/issues/149622	issue-tracking
https://github.com/pytorch/pytorch/issues/149622#…	exploitissue-tracking

Impacted products

1 product

Vendor	Product	Version
n/a	PyTorch	Affected: 2.6.0

Credits

Default436352 (VulDB User)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-2999",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-31T15:04:36.650196Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-31T15:15:18.302Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "PyTorch",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "2.6.0"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Default436352 (VulDB User)"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability was found in PyTorch 2.6.0. It has been rated as critical. Affected by this issue is the function torch.nn.utils.rnn.unpack_sequence. The manipulation leads to memory corruption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used."
        },
        {
          "lang": "de",
          "value": "Eine kritische Schwachstelle wurde in PyTorch 2.6.0 ausgemacht. Betroffen davon ist die Funktion torch.nn.utils.rnn.unpack_sequence. Durch Beeinflussen mit unbekannten Daten kann eine memory corruption-Schwachstelle ausgenutzt werden. Der Angriff muss lokal passieren. Der Exploit steht zur \u00f6ffentlichen Verf\u00fcgung."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N",
            "version": "4.0"
          }
        },
        {
          "cvssV3_1": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 4.3,
            "vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "Memory Corruption",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-31T14:31:04.982Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "name": "VDB-302048 | PyTorch torch.nn.utils.rnn.unpack_sequence memory corruption",
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.302048"
        },
        {
          "name": "VDB-302048 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.302048"
        },
        {
          "name": "Submit #524198 | pytorch pytorch (torch.nn.utils.rnn.unpack_sequence) torch 2.6.0 Segmentation fault",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://vuldb.com/?submit.524198"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://github.com/pytorch/pytorch/issues/149622"
        },
        {
          "tags": [
            "exploit",
            "issue-tracking"
          ],
          "url": "https://github.com/pytorch/pytorch/issues/149622#issue-2935495265"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-03-30T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2025-03-30T01:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2025-03-30T19:47:39.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "PyTorch torch.nn.utils.rnn.unpack_sequence memory corruption"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2025-2999",
    "datePublished": "2025-03-31T14:31:04.982Z",
    "dateReserved": "2025-03-30T17:42:27.761Z",
    "dateUpdated": "2025-03-31T15:15:18.302Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

Action not permitted

PYSEC-2025-193

CVE-2025-2999 (GCVE-0-2025-2999)

Tags

Sightings

Nomenclature