{"id":"UBUNTU-CVE-2017-18207","details":"The Wave_read._read_fmt_chunk function in Lib/wave.py in Python through 3.6.4 does not ensure a nonzero channel value, which allows attackers to cause a denial of service (divide-by-zero and exception) via a crafted wav format audio file. NOTE: the vendor disputes this issue because Python applications \"need to be prepared to handle a wide variety of exceptions.","modified":"2026-03-20T06:38:43.551728Z","published":"2018-03-01T05:29:00Z","upstream":["CVE-2017-18207"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2017-18207"},{"type":"REPORT","url":"https://bugs.python.org/issue32056"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2017-18207"}],"affected":[{"package":{"name":"python2.7","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python2.7@2.7.6-8ubuntu0.6+esm29?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.7.5-8ubuntu3","2.7.5-8ubuntu4","2.7.6-2","2.7.6-2ubuntu1","2.7.6-3","2.7.6-3ubuntu1","2.7.6-4","2.7.6-4ubuntu1","2.7.6-5","2.7.6-7","2.7.6-8","2.7.6-8ubuntu0.2","2.7.6-8ubuntu0.3","2.7.6-8ubuntu0.4","2.7.6-8ubuntu0.5","2.7.6-8ubuntu0.6+esm2","2.7.6-8ubuntu0.6+esm3","2.7.6-8ubuntu0.6+esm5","2.7.6-8ubuntu0.6+esm6","2.7.6-8ubuntu0.6+esm7","2.7.6-8ubuntu0.6+esm8","2.7.6-8ubuntu0.6+esm9","2.7.6-8ubuntu0.6+esm10","2.7.6-8ubuntu0.6+esm11","2.7.6-8ubuntu0.6+esm12","2.7.6-8ubuntu0.6+esm13","2.7.6-8ubuntu0.6+esm14","2.7.6-8ubuntu0.6+esm15","2.7.6-8ubuntu0.6+esm16","2.7.6-8ubuntu0.6+esm17","2.7.6-8ubuntu0.6+esm18","2.7.6-8ubuntu0.6+esm20","2.7.6-8ubuntu0.6+esm21","2.7.6-8ubuntu0.6+esm22","2.7.6-8ubuntu0.6+esm24","2.7.6-8ubuntu0.6+esm25","2.7.6-8ubuntu0.6+esm26","2.7.6-8ubuntu0.6+esm28","2.7.6-8ubuntu0.6+esm29"],"ecosystem_specific":{"binaries":[{"binary_name":"idle-python2.7","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"libpython2.7","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"libpython2.7-dev","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"libpython2.7-minimal","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"libpython2.7-stdlib","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"libpython2.7-testsuite","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"python2.7","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"python2.7-dev","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"python2.7-examples","binary_version":"2.7.6-8ubuntu0.6+esm29"},{"binary_name":"python2.7-minimal","binary_version":"2.7.6-8ubuntu0.6+esm29"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18207.json"}},{"package":{"name":"python3.4","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python3.4@3.4.3-1ubuntu1~14.04.7+esm20?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.4~b1-0ubuntu3","3.4~b1-4ubuntu4","3.4~b1-4ubuntu6","3.4~b1-5ubuntu2","3.4~b2-1","3.4~b3-1ubuntu1","3.4~rc1-1build1","3.4~rc2-1","3.4~rc3-0ubuntu1","3.4.0-1","3.4.0-2ubuntu1","3.4.0-2ubuntu1.1","3.4.3-1ubuntu1~14.04.1","3.4.3-1ubuntu1~14.04.3","3.4.3-1ubuntu1~14.04.4","3.4.3-1ubuntu1~14.04.5","3.4.3-1ubuntu1~14.04.6","3.4.3-1ubuntu1~14.04.7","3.4.3-1ubuntu1~14.04.7+esm2","3.4.3-1ubuntu1~14.04.7+esm4","3.4.3-1ubuntu1~14.04.7+esm6","3.4.3-1ubuntu1~14.04.7+esm7","3.4.3-1ubuntu1~14.04.7+esm8","3.4.3-1ubuntu1~14.04.7+esm10","3.4.3-1ubuntu1~14.04.7+esm11","3.4.3-1ubuntu1~14.04.7+esm12","3.4.3-1ubuntu1~14.04.7+esm13","3.4.3-1ubuntu1~14.04.7+esm14","3.4.3-1ubuntu1~14.04.7+esm15","3.4.3-1ubuntu1~14.04.7+esm16","3.4.3-1ubuntu1~14.04.7+esm17","3.4.3-1ubuntu1~14.04.7+esm19","3.4.3-1ubuntu1~14.04.7+esm20"],"ecosystem_specific":{"binaries":[{"binary_name":"idle-python3.4","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"libpython3.4","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"libpython3.4-dev","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"libpython3.4-minimal","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"libpython3.4-stdlib","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"libpython3.4-testsuite","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"python3.4","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"python3.4-dev","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"python3.4-examples","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"python3.4-minimal","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"},{"binary_name":"python3.4-venv","binary_version":"3.4.3-1ubuntu1~14.04.7+esm20"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-18207.json"}},{"package":{"name":"python3.5","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/python3.5@3.5.2-2ubuntu0~16.04.4~14.04.1+esm10?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.5.2-2ubuntu0~16.04.4~14.04.1","3.5.2-2ubuntu0~16.04.4~14.04.1+esm1","3.5.2-2ubuntu0~16.04.4~14.04.1+esm3","3.5.2-2ubuntu0~16.04.4~14.04.1+esm4","3.5.2-2ubuntu0~16.04.4~14.04.1+esm5","3.5.2-2ubuntu0~16.04.4~14.04.1+esm6","3.5.2-2ubuntu0~16.04.4~14.04.1+esm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