{"id":"UBUNTU-CVE-2023-3635","details":"GzipSource does not handle an exception that might be raised when parsing a malformed gzip buffer. This may lead to denial of service of the Okio client when handling a crafted GZIP archive, by using the GzipSource class.","modified":"2026-05-20T16:13:41.980198928Z","published":"2023-07-12T19:15:00Z","upstream":["CVE-2023-3635"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-3635"},{"type":"REPORT","url":"https://github.com/square/okio/commit/81bce1a30af244550b0324597720e4799281da7b"},{"type":"REPORT","url":"https://research.jfrog.com/vulnerabilities/okio-gzip-source-unhandled-exception-dos-xray-523195/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-3635"}],"affected":[{"package":{"name":"okio","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/okio?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.8.0-2","1.13.0-1","1.14.0-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libokio-java","binary_version":"1.14.0-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3635.json"}},{"package":{"name":"okio","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/okio?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.16.0-1","binary_name":"libokio-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3635.json"}},{"package":{"name":"okio","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/okio?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libokio-java","binary_version":"1.16.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3635.json"}},{"package":{"name":"okio","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/okio?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libokio-java","binary_version":"1.16.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3635.json"}},{"package":{"name":"okio","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/okio?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libokio-java","binary_version":"1.16.0-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3635.json"}},{"package":{"name":"okio","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/okio?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.16.0-2","1.16.0-2build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libokio-java","binary_version":"1.16.0-2build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3635.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}