{"id":"UBUNTU-CVE-2025-8262","details":"A vulnerability was found in yarnpkg Yarn up to 1.22.22. It has been classified as problematic. Affected is the function explodeHostedGitFragment of the file src/resolvers/exotics/hosted-git-resolver.js. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The patch is identified as 97731871e674bf93bcbf29e9d3258da8685f3076. It is recommended to apply a patch to fix this issue.","modified":"2026-05-20T16:24:01.899556017Z","published":"2025-07-28T07:15:00Z","upstream":["CVE-2025-8262"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-8262"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-8262"},{"type":"REPORT","url":"https://github.com/yarnpkg/yarn/pull/9199"},{"type":"REPORT","url":"https://github.com/yarnpkg/yarn/pull/9199/commits/97731871e674bf93bcbf29e9d3258da8685f3076"},{"type":"REPORT","url":"https://vuldb.com/?ctiid.317850"},{"type":"REPORT","url":"https://vuldb.com/?id.317850"},{"type":"REPORT","url":"https://vuldb.com/?submit.617393"}],"affected":[{"package":{"name":"node-yarnpkg","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.13.0-1build1","1.13.0-3","1.19.1-1","1.22.4-2"],"ecosystem_specific":{"binaries":[{"binary_version":"1.22.4-2","binary_name":"yarnpkg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8262.json"}},{"package":{"name":"node-yarnpkg","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.10+~cs22.25.14-3","1.22.10+~cs22.25.14-4","1.22.10+~cs22.25.14-5","1.22.10+~cs22.25.14-8"],"ecosystem_specific":{"binaries":[{"binary_version":"1.22.10+~cs22.25.14-8","binary_name":"yarnpkg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8262.json"}},{"package":{"name":"node-yarnpkg","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.22.19+~cs24.27.18-2","1.22.19+~cs24.27.18-4"],"ecosystem_specific":{"binaries":[{"binary_version":"1.22.19+~cs24.27.18-4","binary_name":"yarnpkg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8262.json"}},{"package":{"name":"node-yarnpkg","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.0.2+dfsg-3","4.1.0+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.0+dfsg-1","binary_name":"yarnpkg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8262.json"}},{"package":{"name":"node-yarnpkg","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/node-yarnpkg?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.1.0+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"4.1.0+dfsg-1","binary_name":"yarnpkg"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-8262.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}