{"id":"GHSA-w33c-445m-f8w7","summary":"Okio Signed to Unsigned Conversion Error vulnerability","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.\n\n","aliases":["CVE-2023-3635"],"modified":"2026-07-17T21:16:41.894395738Z","published":"2023-07-12T21:30:50Z","database_specific":{"nvd_published_at":"2023-07-12T19:15:08Z","cwe_ids":["CWE-195","CWE-681"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2023-07-13T17:01:48Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3635"},{"type":"WEB","url":"https://github.com/square/okio/pull/1280"},{"type":"WEB","url":"https://github.com/square/okio/pull/1334"},{"type":"WEB","url":"https://github.com/square/okio/commit/81bce1a30af244550b0324597720e4799281da7b"},{"type":"WEB","url":"https://github.com/square/okio/commit/b4fa875dc24950680c386e4b1c593660ce4f7839"},{"type":"PACKAGE","url":"https://github.com/square/okio"},{"type":"WEB","url":"https://github.com/square/okio/blob/master/CHANGELOG.md#version-1176"},{"type":"WEB","url":"https://research.jfrog.com/vulnerabilities/okio-gzip-source-unhandled-exception-dos-xray-523195"}],"affected":[{"package":{"name":"com.squareup.okio:okio","ecosystem":"Maven","purl":"pkg:maven/com.squareup.okio/okio"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0-RC1"},{"fixed":"3.4.0"}]}],"versions":["2.0.0","2.0.0-RC1","2.1.0","2.10.0","2.2.0","2.2.1","2.2.2","2.3.0","2.4.0","2.4.1","2.4.2","2.4.3","2.5.0","2.6.0","2.7.0","2.7.0-alpha.lockfree.1","2.7.0-alpha.lockfree.2","2.8.0","2.9.0","3.0.0","3.0.0-alpha.1","3.0.0-alpha.10","3.0.0-alpha.11","3.0.0-alpha.2","3.0.0-alpha.3","3.0.0-alpha.4","3.0.0-alpha.5","3.0.0-alpha.6","3.0.0-alpha.7","3.0.0-alpha.8","3.0.0-alpha.9","3.1.0","3.2.0","3.3.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/07/GHSA-w33c-445m-f8w7/GHSA-w33c-445m-f8w7.json"}},{"package":{"name":"com.squareup.okio:okio","ecosystem":"Maven","purl":"pkg:maven/com.squareup.okio/okio"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.17.6"}]}],"versions":["0.5.0","0.6.0","0.6.1","0.7.0","0.8.0","0.9.0","1.0.0","1.0.1","1.1.0","1.10.0","1.11.0","1.12.0","1.13.0","1.14.0","1.14.1","1.15.0","1.16.0","1.17.0","1.17.1","1.17.2","1.17.3","1.17.4","1.17.5","1.2.0","1.3.0","1.4.0","1.5.0","1.6.0","1.7.0","1.8.0","1.9.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/07/GHSA-w33c-445m-f8w7/GHSA-w33c-445m-f8w7.json"}},{"package":{"name":"com.squareup.okio:okio-jvm","ecosystem":"Maven","purl":"pkg:maven/com.squareup.okio/okio-jvm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0-RC1"},{"fixed":"3.4.0"}]}],"versions":["3.0.0","3.0.0-alpha.10","3.0.0-alpha.11","3.1.0","3.2.0","3.3.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/07/GHSA-w33c-445m-f8w7/GHSA-w33c-445m-f8w7.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}