{"id":"UBUNTU-CVE-2020-1752","details":"A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.","modified":"2026-04-22T14:09:22.083691Z","published":"2020-04-30T17:15:00Z","related":["USN-4416-1"],"upstream":["CVE-2020-1752"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-1752"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4416-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2020-1752"}],"affected":[{"package":{"name":"eglibc","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/eglibc@2.19-0ubuntu6.15+esm4?arch=source&distro=esm-infra-legacy/trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.17-93ubuntu4","2.18-0ubuntu1","2.18-0ubuntu2","2.18-0ubuntu4","2.18-0ubuntu5","2.18-0ubuntu6","2.18-0ubuntu7","2.19-0ubuntu2","2.19-0ubuntu3","2.19-0ubuntu4","2.19-0ubuntu5","2.19-0ubuntu6","2.19-0ubuntu6.1","2.19-0ubuntu6.3","2.19-0ubuntu6.4","2.19-0ubuntu6.5","2.19-0ubuntu6.6","2.19-0ubuntu6.7","2.19-0ubuntu6.8","2.19-0ubuntu6.9","2.19-0ubuntu6.10","2.19-0ubuntu6.11","2.19-0ubuntu6.13","2.19-0ubuntu6.14","2.19-0ubuntu6.15","2.19-0ubuntu6.15+esm1","2.19-0ubuntu6.15+esm2","2.19-0ubuntu6.15+esm3","2.19-0ubuntu6.15+esm4"],"ecosystem_specific":{"binaries":[{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"eglibc-source"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc-bin"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc-dev-bin"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-amd64"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-armel"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-dev-amd64"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-dev-armel"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-dev-i386"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-dev-x32"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-i386"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-pic"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-prof"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"libc6-x32"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"multiarch-support"},{"binary_version":"2.19-0ubuntu6.15+esm4","binary_name":"nscd"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-1752.json"}},{"package":{"name":"glibc","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/glibc@2.23-0ubuntu11.2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.23-0ubuntu11.2"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9","2.23-0ubuntu10","2.23-0ubuntu11"],"ecosystem_specific":{"binaries":[{"binary_version":"2.23-0ubuntu11.2","binary_name":"glibc-source"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc-bin"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc-dev-bin"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-amd64"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-armel"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-dev-amd64"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-dev-armel"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-dev-i386"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-dev-ppc64"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-dev-s390"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-dev-x32"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-i386"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-pic"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-ppc64"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-s390"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"libc6-x32"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"locales"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"locales-all"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"multiarch-support"},{"binary_version":"2.23-0ubuntu11.2","binary_name":"nscd"}],"availability":"No 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