{"id":"USN-8779-1","summary":"bubblewrap vulnerabilities","details":"It was discovered that Bubblewrap incorrectly handled certain temporary\ndirectories. A local attacker could possibly use this issue to cause a\ndenial of service or execute arbitrary code. This issue only affected\nUbuntu 18.04 LTS. (CVE-2019-12439)\n\nIt was discovered that Bubblewrap incorrectly handled certain symlinks\nduring sandbox setup. A local attacker could possibly use this issue to\ncreate files outside of the sandbox. (CVE-2026-87766)","modified":"2026-09-18T23:56:34.184582731Z","published":"2026-09-17T15:50:32Z","related":["UBUNTU-CVE-2019-12439"],"upstream":["CVE-2019-12439","CVE-2026-87766","UBUNTU-CVE-2019-12439","UBUNTU-CVE-2026-87766"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8779-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-12439"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-87766"}],"affected":[{"package":{"name":"bubblewrap","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/bubblewrap?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.2.1-1ubuntu0.1+esm2"}]}],"versions":["0.2.0-1","0.2.0-2","0.2.0-4","0.2.1-1","0.2.1-1ubuntu0.1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro","binaries":[{"binary_name":"bubblewrap","binary_version":"0.2.1-1ubuntu0.1+esm2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"low"}],"id":"CVE-2019-12439"}]}}},{"package":{"name":"bubblewrap","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/bubblewrap?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.0-1ubuntu4.1+esm2"}]}],"versions":["0.3.3-2","0.4.0-1","0.4.0-1ubuntu1","0.4.0-1ubuntu2","0.4.0-1ubuntu3","0.4.0-1ubuntu4","0.4.0-1ubuntu4.1"],"ecosystem_specific":{"binaries":[{"binary_name":"bubblewrap","binary_version":"0.4.0-1ubuntu4.1+esm2"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:20.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"}},{"package":{"name":"bubblewrap","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/bubblewrap?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-1ubuntu0.2"}]}],"versions":["0.4.1-3build1","0.5.0-1","0.6.0-1","0.6.1-1","0.6.1-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"bubblewrap","binary_version":"0.6.1-1ubuntu0.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"}},{"package":{"name":"bubblewrap","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/bubblewrap?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.9.0-1ubuntu0.2"}]}],"versions":["0.8.0-2","0.9.0-1build1","0.9.0-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"bubblewrap","binary_version":"0.9.0-1ubuntu0.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"}},{"package":{"name":"bubblewrap","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/bubblewrap?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.11.1-1ubuntu0.2"}]}],"versions":["0.11.0-2","0.11.0-2build1","0.11.1-1","0.11.1-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"bubblewrap","binary_version":"0.11.1-1ubuntu0.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:26.04:LTS","cves":[]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8779-1.json"}}],"schema_version":"1.9.0"}