{"id":"CVE-2020-26267","details":"In affected versions of TensorFlow the tf.raw_ops.DataFormatVecPermute API does not validate the src_format and dst_format attributes. The code assumes that these two arguments define a permutation of NHWC. This can result in uninitialized memory accesses, read outside of bounds and even crashes. This is fixed in versions 1.15.5, 2.0.4, 2.1.3, 2.2.2, 2.3.2, and 2.4.0.","aliases":["BIT-tensorflow-2020-26267","GHSA-c9f3-9wfr-wgh7","PYSEC-2020-140","PYSEC-2020-298","PYSEC-2020-333"],"modified":"2026-05-15T10:41:49.373170Z","published":"2020-12-10T23:15:12.723Z","related":["openSUSE-SU-2022:10014-1"],"references":[{"type":"FIX","url":"https://github.com/tensorflow/tensorflow/commit/ebc70b7a592420d3d2f359e4b1694c236b82c7ae"},{"type":"FIX","url":"https://github.com/tensorflow/tensorflow/security/advisories/GHSA-c9f3-9wfr-wgh7"}],"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":"ebc70b7a592420d3d2f359e4b1694c236b82c7ae"}],"database_specific":{"source":["CPE_FIELD","REFERENCES"],"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"}],"cpe":"cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*"}}],"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":{"vanir_signatures":[{"source":"https://github.com/tensorflow/tensorflow/commit/ebc70b7a592420d3d2f359e4b1694c236b82c7ae","id":"CVE-2020-26267-8190db3f","digest":{"threshold":0.9,"line_hashes":["313994650402161586983917689434894485802","130094773882623805663869682974364817317","63662868083627739254062862644034061447","275359223353134641114808102223859573201","331307440669214918335895790650776587077","83951950775522996153541642463375565806","110680478284734640215047087273084300657","329825087871365426555773122036027749837","222270992452315474643495052266487055826","315158931149083809491559055218996155829","154603388818363930582659611870291908667","185512401193860114234021105676990606824","183029446372740524683017777512646302102","1168723795512549235036915952055206157","266922330232993059882635503985676463356","133513391166850736861106802961685794558","235945220321055799821111067271733113331","251561166443076125767835700795166849206","65525740044841502909301842366178829085","148869675187540353363397726555020981607","332263761514826419796309180666719486048","53259635203583304156903165929834843192","186953506709105487264072941382648011490","79885697303505286815583400913045160495","221193189215687644294057407398960998497","121242689760206006999865113691868911763","252420941107585766993710310642148456276","142575214691111786979361361394672029840","179634542567091506405428502619255654047","157462980713806617184162930771827281434"]},"target":{"file":"tensorflow/core/kernels/data_format_ops.cc"},"signature_type":"Line","signature_version":"v1","deprecated":false}],"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-26267.json","vanir_signatures_modified":"2026-05-15T10:41:49Z"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}