{"id":"CVE-2023-3782","aliases":["CLSA-2026-1787931895","EUVD-2023-44415","GHSA-w28c-cgxf-w8gv"],"status":"published","title":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response","description":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00721,"percentile":0.54458,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-400"],"published":"2023-07-19T20:57:16Z","modified":"2026-10-30T19:45:31Z","fixes":[{"ecosystem":"TuxCare:Maven","package":"com.squareup.okhttp3:okhttp-brotli","fixed_in":["4.10.0-tuxcare.3"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"TuxCare:Maven","package":"com.squareup.okhttp3:okhttp-brotli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.10.0"},{"fixed":"4.10.0-tuxcare.3"}]}],"versions":["4.10.0","4.10.0-tuxcare.1","4.10.0-tuxcare.2"]}],"products":[{"vendor":"squareup","product":"okhttp-brotli"}],"references":[{"url":"https://github.com/square/okhttp/issues/7738","tags":["x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://research.jfrog.com/vulnerabilities/okhttp-client-brotli-dos/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3782"},{"url":"https://research.jfrog.com/vulnerabilities/okhttp-client-brotli-dos"},{"url":"https://github.com/advisories/GHSA-w28c-cgxf-w8gv"}],"sources":{"cve":[{"id":"CVE-2023-3782","title":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response","description":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response\n\n","status":"published","published":"2023-07-19T20:57:16.17Z","modified":"2024-10-28T15:09:37.728Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:24.707957Z"}],"euvd":[{"id":"EUVD-2023-44415","description":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response\n\n","status":"published","published":"2023-07-19T20:57:16Z","modified":"2024-10-28T15:09:37Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:05:16.619611Z"}],"ghsa":[{"id":"GHSA-w28c-cgxf-w8gv","title":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or...","description":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response\n\n","status":"published","published":"2023-07-19T21:30:23Z","modified":"2024-04-04T06:17:20Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:56:40.949889Z"}],"nvd":[{"id":"CVE-2023-3782","description":"DoS of the OkHttp client when using a BrotliInterceptor and surfing to a malicious web server, or when an attacker can perform MitM to inject a Brotli zip-bomb into an HTTP response\n\n","status":"published","published":"2023-07-19T21:15:10.093Z","modified":"2026-06-17T06:14:50.593Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:08:17.044696Z"}],"osv":[{"id":"CLSA-2026-1787931895","title":"TuxCare security update for com.squareup.okhttp3:okhttp-brotli (1 CVE)","description":"TuxCare rebuilt com.squareup.okhttp3:okhttp-brotli to address 1 CVE. Fixed in 4.10.0-tuxcare.3.","status":"published","published":"2026-08-28T15:44:55Z","modified":"2026-10-30T19:45:31.728172151Z","updated_at":"2026-11-02T15:43:47.591214Z"}]}}