{"id":"CVE-2019-11922","details":"A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out of bounds if an output buffer smaller than the recommended size was used.","modified":"2026-04-10T04:11:59.522966Z","published":"2019-07-25T21:15:11.600Z","related":["MGASA-2019-0257","openSUSE-SU-2019:1845-1","openSUSE-SU-2019:1952-1","openSUSE-SU-2019:2008-1","openSUSE-SU-2024:11544-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00008.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00062.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00078.html"},{"type":"WEB","url":"https://usn.ubuntu.com/4108-1/"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuoct2020.html"},{"type":"ADVISORY","url":"https://www.facebook.com/security/advisories/cve-2019-11922"},{"type":"FIX","url":"https://github.com/facebook/zstd/pull/1404/commits/3e5cdf1b6a85843e991d7d10f6a2567c15580da0"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/facebook/zstd","events":[{"introduced":"0"},{"fixed":"470344d33e1d52a2ada75d278466da8d4ee2faf6"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"1.3.8"}]}}],"versions":["fuzz-corpora","fuzz-corpora2","v0.1.0","v0.1.1","v0.4.3","v0.4.4","v0.4.5","v0.4.6","v0.4.7","v0.5.0","v0.5.1","v0.6.0","v0.6.1","v0.7.0","v0.7.1","v0.7.2","v0.7.3","v0.7.4","v1.1.0","v1.1.1","v1.1.2","v1.3.7","vxyz","zstd-0.1.2","zstd-0.1.3","zstd-0.2.0","zstd-0.2.1","zstd-0.2.2","zstd-0.3.0","zstd-0.3.1","zstd-0.3.2","zstd-0.3.3","zstd-0.3.4","zstd-0.3.5","zstd-0.3.6","zstd-0.4.0","zstd-0.4.1","zstd-0.4.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-11922.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}