{"id":"UBUNTU-CVE-2026-26996","details":"minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Versions 10.2.0 and below are vulnerable to Regular Expression Denial of Service (ReDoS) when a glob pattern contains many consecutive * wildcards followed by a literal character that doesn't appear in the test string. Each * compiles to a separate [^/]*? regex group, and when the match fails, V8's regex engine backtracks exponentially across all possible splits. The time complexity is O(4^N) where N is the number of * characters. With N=15, a single minimatch() call takes ~2 seconds. With N=34, it hangs effectively forever. Any application that passes user-controlled strings to minimatch() as the pattern argument is vulnerable to DoS. This issue has been fixed in version 10.2.1.","modified":"2026-05-20T16:24:50.417504641Z","published":"2026-02-20T03:16:00Z","upstream":["CVE-2026-26996"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-26996"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-26996"},{"type":"REPORT","url":"https://github.com/isaacs/minimatch/security/advisories/GHSA-3ppc-4f35-3m26"},{"type":"REPORT","url":"https://github.com/isaacs/minimatch/commit/2e111f3a79abc00fa73110195de2c0f2351904f5"}],"affected":[{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:Pro:14.04:LTS","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=esm-infra-legacy%2Ftrusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.2.11-1","0.2.12-1","0.2.12-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"0.2.12-1ubuntu0.1~esm2","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}},{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=esm-apps%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.0-1","1.0.0-1ubuntu0.1~esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.0.0-1ubuntu0.1~esm2","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}},{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.4-1","3.0.4-3","3.0.4-3+deb10u1build0.18.04.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.4-3+deb10u1build0.18.04.1","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}},{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.4-3","3.0.4-4","3.0.4-4ubuntu0.1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.0.4-4ubuntu0.1","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}},{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.0.4+~3.0.3-1","3.0.4+~3.0.5-1","3.1.1+~3.0.5-1"],"ecosystem_specific":{"binaries":[{"binary_version":"3.1.1+~3.0.5-1","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}},{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.1.1+~5.1.2-1","9.0.3-4build5"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.3-4build5","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}},{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.3-5","9.0.3-6"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.3-6","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}},{"package":{"name":"node-minimatch","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/node-minimatch?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.0.3-6"],"ecosystem_specific":{"binaries":[{"binary_version":"9.0.3-6","binary_name":"node-minimatch"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-26996.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"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"}]}