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pytorch — security advisory

Type: advisorySources: OSVAdvisory ID: UBUNTU-CVE-2025-2998

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

Products
pytorch
Affected versions
1.7.1-7, 1.8.1-4, 2.12.1+dfsg-1, 2.6.0+dfsg-5build1, 2.6.0+dfsg-7, 2.6.0+dfsg-9, 2.9.1+dfsg-1~exp1ubuntu2
Fixed versions
Not specified
CVEs
CVE-2025-2998
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 01:47 UTC · Revision 1

Source evidence

UBUNTU-CVE-2025-2998

core-osv · Original source

Published 31 Mar 2025, 14:15 UTC

A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.

osv:UBUNTU-CVE-2025-2998

pytorch

Fixed versions: Not specified

pytorch

Fixed versions: Not specified

pytorch

Fixed versions: Not specified

pytorch

Fixed versions: Not specified

Complete source record
{
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  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-2998",
  "method": "structured",
  "payload": {
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    "title": "UBUNTU-CVE-2025-2998",
    "summary": "A vulnerability was found in PyTorch 2.6.0. It has been declared as critical. Affected by this vulnerability is the function torch.nn.utils.rnn.pad_packed_sequence. The manipulation leads to memory corruption. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.",
    "evidence": "osv:UBUNTU-CVE-2025-2998",
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          "type": "CVSS_V4",
          "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"
        },
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          "ecosystem_specific": {
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                "binary_name": "libtorch-test",
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              {
                "binary_name": "libtorch1.8",
                "binary_version": "1.8.1-4"
              },
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                "binary_name": "python3-torch",
                "binary_version": "1.8.1-4"
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      ],
      "modified": "2026-10-17T12:57:27.027593503Z",
      "provider": "osv",
      "upstream": [
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      ],
      "references": [
        "https://ubuntu.com/security/CVE-2025-2998",
        "https://www.cve.org/CVERecord?id=CVE-2025-2998",
        "https://github.com/pytorch/pytorch/issues/149622",
        "https://github.com/pytorch/pytorch/issues/149622#issue-2935495265",
        "https://vuldb.com/?ctiid.302047",
        "https://vuldb.com/?id.302047",
        "https://vuldb.com/?submit.524151"
      ]
    },
    "related_cves": [
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        "evidence": "/upstream"
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    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 357506,
  "published_at": "2025-03-31T14:15:00+00:00"
}