{"schema_version":"1.8.0","id":"CVE-2020-26270","published":"2020-12-10T23:15:12.973Z","modified":"2026-08-07T15:12:17.261911Z","aliases":["BIT-tensorflow-2020-26270","GHSA-m648-33qf-v3gp","PYSEC-2020-256","PYSEC-2020-301","PYSEC-2020-336"],"related":["openSUSE-SU-2022:10014-1","openSUSE-SU-2024:12116-1"],"details":"In affected versions of TensorFlow running an LSTM/GRU model where the LSTM/GRU layer receives an input with zero-length results in a CHECK failure when using the CUDA backend. This can result in a query-of-death vulnerability, via denial of service, if users can control the input to the layer. This is fixed in versions 1.15.5, 2.0.4, 2.1.3, 2.2.2, 2.3.2, and 2.4.0.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/tensorflow/tensorflow","events":[{"introduced":"0"},{"fixed":"3db52be7be81a87c623cdeb7f03d3767521c5246"},{"introduced":"64c3d382cadf7bbe8e7e99884bede8284ff67f56"},{"fixed":"cdf2c541c3dd3fb6d03cce4d23fc6c548bc9017c"},{"introduced":"e5bf8de410005de06a7ff5393fafdf832ef1d4ad"},{"fixed":"77f47d6ed6ca1f50b6f2c4919097e625d50398a9"},{"introduced":"2b96f3662bd776e277f86997659e61046b56c315"},{"fixed":"d745ff2a48cebf18e847e8b602a744e97e058946"},{"introduced":"b36436b087bd8e8701ef51718179037cccdfc26e"},{"fixed":"9edbe5075f79a4a95ed14a2be831f9b59e61f49d"},{"fixed":"14755416e364f17fb1870882fa778c7fec7f16e3"}],"database_specific":{"cpe":"cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.15.5"},{"introduced":"2.0.0"},{"fixed":"2.0.4"},{"introduced":"2.1.0"},{"fixed":"2.1.3"},{"introduced":"2.2.0"},{"fixed":"2.2.2"},{"introduced":"2.3.0"},{"fixed":"2.3.2"}],"source":["CPE_RANGE","REFERENCES"]}}],"versions":["v2.1.2","v2.0.3","v1.15.4","v2.2.1","v2.3.1","v2.2.0","v2.1.1","v2.3.0","v2.0.2","v1.15.3","v2.0.1","v2.1.0","v1.15.2","v1.15.0","v1.15.0-rc3","v2.0.0","v1.15.0-rc2","v1.15.0-rc1","v1.15.0-rc0","v1.12.1","v1.9.0-rc2","v1.6.0-rc1","v1.1.0-rc2","v1.1.0-rc1","0.6.0","0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-26270.json","vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["166252882886534993164129206683886691984","82771836372170310932193629693836048928","130140444966903475628418281477362812430","31228978155751701708215333570039799818","71908040881237060325670982965864455659","165435079343752882710408888814154468784","130140444966903475628418281477362812430","31228978155751701708215333570039799818"],"threshold":0.9},"id":"CVE-2020-26270-36cb9890","signature_type":"Line","signature_version":"v1","source":"https://github.com/tensorflow/tensorflow/commit/14755416e364f17fb1870882fa778c7fec7f16e3","target":{"file":"tensorflow/stream_executor/cuda/cuda_dnn.cc"}}],"vanir_signatures_modified":"2026-08-07T15:12:17Z"}}],"references":[{"type":"FIX","url":"https://github.com/tensorflow/tensorflow/commit/14755416e364f17fb1870882fa778c7fec7f16e3"},{"type":"FIX","url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-m648-33qf-v3gp"}],"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}