{"id":"UBUNTU-CVE-2025-63396","details":"An issue was discovered in PyTorch v2.5 and v2.7.1. Omission of profiler.stop() can cause torch.profiler.profile (PythonTracer) to crash or hang during finalization, leading to a Denial of Service (DoS).","modified":"2026-05-20T16:23:40.663575762Z","published":"2025-11-12T21:15:00Z","upstream":["CVE-2025-63396"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-63396"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-63396"},{"type":"REPORT","url":"http://pytorch.com"},{"type":"REPORT","url":"https://github.com/Daisy2ang"},{"type":"REPORT","url":"https://github.com/pytorch/pytorch"}],"affected":[{"package":{"name":"pytorch","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pytorch?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.1-7","1.8.1-4"],"ecosystem_specific":{"binaries":[{"binary_name":"libtorch-test","binary_version":"1.8.1-4"},{"binary_name":"libtorch1.8","binary_version":"1.8.1-4"},{"binary_name":"python3-torch","binary_version":"1.8.1-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-63396.json"}},{"package":{"name":"pytorch","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/pytorch?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.0+dfsg-5build1","2.6.0+dfsg-7"],"ecosystem_specific":{"binaries":[{"binary_name":"libtorch-test","binary_version":"2.6.0+dfsg-7"},{"binary_name":"libtorch2.6","binary_version":"2.6.0+dfsg-7"},{"binary_version":"2.6.0+dfsg-7","binary_name":"python3-torch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-63396.json"}},{"package":{"name":"pytorch","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/pytorch?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.0+dfsg-7","2.6.0+dfsg-9","2.9.1+dfsg-1~exp1ubuntu2"],"ecosystem_specific":{"binaries":[{"binary_name":"libtorch-test","binary_version":"2.9.1+dfsg-1~exp1ubuntu2"},{"binary_name":"libtorch2.9","binary_version":"2.9.1+dfsg-1~exp1ubuntu2"},{"binary_version":"2.9.1+dfsg-1~exp1ubuntu2","binary_name":"python3-torch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-63396.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}