{"id":"UBUNTU-CVE-2026-93451","details":"snappy-java through 1.1.10.8 contains a buffer overflow vulnerability in typed Snappy.uncompress*Array methods that allocate output arrays by dividing uncompressed length by element size but pass the undivided length to native code. Attackers controlling compressed input can cause misaligned length values to write past array bounds with attacker-controlled bytes, corrupting heap memory.","modified":"2026-09-21T21:40:58.492160477Z","published":"2026-09-21T00:00:00Z","upstream":["CVE-2026-93451"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-93451"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-93451"},{"type":"REPORT","url":"https://github.com/xerial/snappy-java"},{"type":"REPORT","url":"https://github.com/xerial/snappy-java/blob/v1.1.10.8/src/main/java/org/xerial/snappy/Snappy.java#L802"},{"type":"REPORT","url":"https://github.com/xerial/snappy-java/issues/729"},{"type":"REPORT","url":"https://www.vulncheck.com/advisories/snappy-java-through-1.1.10.8-buffer-overflow-via-typed-uncompress-methods"}],"affected":[{"package":{"name":"snappy-java","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/snappy-java?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.4.1~dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.4.1~dfsg-1","binary_name":"libsnappy-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93451.json"}},{"package":{"name":"snappy-java","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/snappy-java?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.1.7-2","1.1.2-1","1.1.2.1-2"],"ecosystem_specific":{"binaries":[{"binary_name":"libsnappy-java","binary_version":"1.1.2.1-2"},{"binary_version":"1.1.2.1-2","binary_name":"libsnappy-jni"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93451.json"}},{"package":{"name":"snappy-java","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/snappy-java?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.4-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.4-1","binary_name":"libsnappy-java"},{"binary_name":"libsnappy-jni","binary_version":"1.1.4-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93451.json"}},{"package":{"name":"snappy-java","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/snappy-java?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.7.2-1","1.1.7.3-1","1.1.7.3-1build1"],"ecosystem_specific":{"binaries":[{"binary_name":"libsnappy-java","binary_version":"1.1.7.3-1build1"},{"binary_name":"libsnappy-jni","binary_version":"1.1.7.3-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93451.json"}},{"package":{"name":"snappy-java","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/snappy-java?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.8.3-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.8.3-1","binary_name":"libsnappy-java"},{"binary_name":"libsnappy-jni","binary_version":"1.1.8.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93451.json"}},{"package":{"name":"snappy-java","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/snappy-java?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.8.3-1","1.1.10.5-1","1.1.10.5-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.1.10.5-1build1","binary_name":"libsnappy-java"},{"binary_name":"libsnappy-jni","binary_version":"1.1.10.5-1build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93451.json"}},{"package":{"name":"snappy-java","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/snappy-java?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.10.7-1","1.1.10.8-1"],"ecosystem_specific":{"binaries":[{"binary_name":"libsnappy-java","binary_version":"1.1.10.8-1"},{"binary_version":"1.1.10.8-1","binary_name":"libsnappy-jni"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93451.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}