{"id":"USN-8579-1","summary":"snapd vulnerabilities","details":"James Henstridge discovered that snapd's default apparmor template did\nnot restrict access to systemd-userdbd varlink interface. A local\nattacker could possibly use this issue to obtain sensitive information.\n(CVE-2024-5300)\n\nQualys discovered that snap-confine can be tricked to create\nattacker-controlled files at certain privileged locations. A local\nattacker could possibly use this issue to bypass intended restrictions\nand escalate privileges to root. This issue only affected\nUbuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS.\n(CVE-2026-8933)\n\nZygmunt Krynicki discovered that snapd's default seccomp template\ndid not restrict the creation of executables with the set-user-ID\nattribute. A local attacker could possibly use this issue to create\nand execute setuid binaries. (CVE-2026-15226)","modified":"2026-07-21T23:14:34.410163517Z","published":"2026-07-21T14:24:27Z","related":["UBUNTU-CVE-2024-5300","UBUNTU-CVE-2026-15226","UBUNTU-CVE-2026-8933"],"upstream":["CVE-2024-5300","CVE-2026-15226","CVE-2026-8933","UBUNTU-CVE-2024-5300","UBUNTU-CVE-2026-15226","UBUNTU-CVE-2026-8933"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8579-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2024-5300"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-8933"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-15226"}],"affected":[{"package":{"name":"snapd","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/snapd?arch=source&distro=esm-infra-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.61.4ubuntu0.16.04.1+esm4"}]}],"versions":["1.9","1.9.1.1","1.9.2","2.0","2.0.1","2.0.2","2.0.3","2.0.5","2.0.8","2.0.9","2.0.10","2.11+0.16.04","2.12+0.16.04","2.13","2.14.2~16.04","2.15.2ubuntu1","2.16ubuntu3","2.17.1ubuntu1","2.20.1ubuntu1","2.21","2.22.2","2.22.3","2.22.6","2.23.1","2.24.1","2.25","2.26.10","2.27.5","2.28.5","2.29.4.2","2.32.3.2","2.32.9","2.33.1ubuntu2","2.34.2","2.34.2ubuntu0.1","2.37.4","2.37.4ubuntu0.1","2.38","2.39.2","2.39.2ubuntu0.2","2.40","2.42.1","2.45.1","2.45.1ubuntu0.2","2.46.1","2.47.1","2.48","2.48.3","2.54.3+16.04~esm2","2.54.3+16.04.0ubuntu0.1~esm3","2.54.3+16.04.0ubuntu0.1~esm4","2.54.3+16.04.0ubuntu0.1~esm5","2.54.3+16.04.0ubuntu0.1~esm6","2.61.4ubuntu0.16.04.1+esm1","2.61.4ubuntu0.16.04.1+esm2"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro","binaries":[{"binary_name":"golang-github-snapcore-snapd-dev","binary_version":"2.61.4ubuntu0.16.04.1+esm4"},{"binary_name":"golang-github-ubuntu-core-snappy-dev","binary_version":"2.61.4ubuntu0.16.04.1+esm4"},{"binary_version":"2.61.4ubuntu0.16.04.1+esm4","binary_name":"snap-confine"},{"binary_version":"2.61.4ubuntu0.16.04.1+esm4","binary_name":"snapd"},{"binary_version":"2.61.4ubuntu0.16.04.1+esm4","binary_name":"snapd-xdg-open"},{"binary_version":"2.61.4ubuntu0.16.04.1+esm4","binary_name":"ubuntu-core-launcher"},{"binary_version":"2.61.4ubuntu0.16.04.1+esm4","binary_name":"ubuntu-core-snapd-units"},{"binary_name":"ubuntu-snappy","binary_version":"2.61.4ubuntu0.16.04.1+esm4"},{"binary_version":"2.61.4ubuntu0.16.04.1+esm4","binary_name":"ubuntu-snappy-cli"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8579-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:16.04:LTS","cves":[{"id":"CVE-2024-5300","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-15226"}]}}},{"package":{"name":"snapd","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/snapd?arch=source&distro=esm-infra%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.61.4ubuntu0.18.04.1+esm4"}]}],"versions":["2.28.5+17.10","2.29.4.1+18.04","2.29.4.2+18.04","2.31.1+18.04","2.32+18.04~pre5","2.32+18.04~pre6","2.32+18.04","2.32.3.2+18.04","2.32.5+18.04","2.32.8+18.04","2.32.9+18.04","2.33.1+18.04ubuntu2","2.34.2+18.04","2.34.2+18.04.1","2.37.1+18.04","2.37.1.1+18.04","2.37.4+18.04","2.37.4+18.04.1","2.38+18.04","2.39.2+18.04","2.40+18.04","2.42.1+18.04","2.45.1+18.04","2.45.1+18.04.2","2.46.1+18.04","2.47.1+18.04","2.48+18.04","2.48.3+18.04","2.49.2+18.04","2.51.1+18.04","2.54.2+18.04ubuntu1","2.54.3+18.04","2.54.3+18.04.2ubuntu0.1","2.54.3+18.04.2ubuntu0.2","2.55.5+18.04","2.57.5+18.04","2.57.5+18.04ubuntu0.1","2.58+18.04","2.58+18.04.1","2.61.4ubuntu0.18.04.1+esm1","2.61.4ubuntu0.18.04.1+esm2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.61.4ubuntu0.18.04.1+esm4","binary_name":"golang-github-snapcore-snapd-dev"},{"binary_version":"2.61.4ubuntu0.18.04.1+esm4","binary_name":"golang-github-ubuntu-core-snappy-dev"},{"binary_name":"snap-confine","binary_version":"2.61.4ubuntu0.18.04.1+esm4"},{"binary_name":"snapd","binary_version":"2.61.4ubuntu0.18.04.1+esm4"},{"binary_name":"snapd-xdg-open","binary_version":"2.61.4ubuntu0.18.04.1+esm4"},{"binary_version":"2.61.4ubuntu0.18.04.1+esm4","binary_name":"ubuntu-core-launcher"},{"binary_name":"ubuntu-core-snapd-units","binary_version":"2.61.4ubuntu0.18.04.1+esm4"},{"binary_version":"2.61.4ubuntu0.18.04.1+esm4","binary_name":"ubuntu-snappy"},{"binary_name":"ubuntu-snappy-cli","binary_version":"2.61.4ubuntu0.18.04.1+esm4"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2024-5300","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"},{"type":"Ubuntu","score":"high"}],"id":"CVE-2026-15226"}],"ecosystem":"Ubuntu:Pro:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8579-1.json"}},{"package":{"name":"snapd","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/snapd?arch=source&distro=esm-infra%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.67.1+20.04ubuntu1~esm3"}]}],"versions":["2.41+19.10.1","2.42.1+20.04","2.43.3+git1.8109f8","2.44~pre1+20.04","2.44+20.04","2.44.2+20.04","2.44.3+20.04","2.45.1+20.04","2.45.1+20.04.2","2.46.1+20.04","2.47.1+20.04","2.48+20.04","2.48.3+20.04","2.49.2+20.04","2.51.1+20.04ubuntu2","2.54.2+20.04ubuntu2","2.54.3+20.04","2.54.3+20.04.1","2.54.3+20.04.1ubuntu0.1","2.54.3+20.04.1ubuntu0.2","2.54.3+20.04.1ubuntu0.3","2.55.5+20.04","2.57.5+20.04","2.57.5+20.04ubuntu0.1","2.58+20.04","2.58+20.04.1","2.61.3+20.04","2.62+20.04","2.63+20.04","2.63+20.04ubuntu0.1","2.65.3+20.04","2.66.1+20.04","2.67.1+20.04","2.67.1+20.04ubuntu1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.67.1+20.04ubuntu1~esm3","binary_name":"golang-github-snapcore-snapd-dev"},{"binary_name":"golang-github-ubuntu-core-snappy-dev","binary_version":"2.67.1+20.04ubuntu1~esm3"},{"binary_version":"2.67.1+20.04ubuntu1~esm3","binary_name":"snap-confine"},{"binary_name":"snapd","binary_version":"2.67.1+20.04ubuntu1~esm3"},{"binary_name":"snapd-xdg-open","binary_version":"2.67.1+20.04ubuntu1~esm3"},{"binary_name":"ubuntu-core-launcher","binary_version":"2.67.1+20.04ubuntu1~esm3"},{"binary_name":"ubuntu-core-snapd-units","binary_version":"2.67.1+20.04ubuntu1~esm3"},{"binary_version":"2.67.1+20.04ubuntu1~esm3","binary_name":"ubuntu-snappy"},{"binary_name":"ubuntu-snappy-cli","binary_version":"2.67.1+20.04ubuntu1~esm3"}],"availability":"Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8579-1.json","cves_map":{"cves":[{"id":"CVE-2024-5300","severity":[{"score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-15226","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N"},{"score":"high","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"snapd","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/snapd?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.76+ubuntu22.04.1"}]}],"versions":["2.53+21.10ubuntu1","2.54.2+22.04ubuntu1","2.54.2+22.04ubuntu2","2.54.2+22.04ubuntu3","2.54.3+git19.g868fc21+22.04","2.54.3+git26.g360067e+22.04","2.55.2+22.04","2.55.2+22.04.1","2.55.3+22.04","2.55.3+22.04ubuntu1","2.55.5+22.04","2.56.2+22.04ubuntu1","2.57.4+22.04","2.57.5+22.04","2.57.5+22.04ubuntu0.1","2.58+22.04","2.58+22.04.1","2.61.3+22.04","2.62+22.04","2.63+22.04","2.63+22.04ubuntu0.1","2.65.3+22.04","2.66.1+22.04","2.67.1+22.04","2.68.5+ubuntu22.04.1","2.71+ubuntu22.04","2.72+ubuntu22.04","2.73+ubuntu22.04","2.73+ubuntu22.04.1","2.74.1+ubuntu22.04.4","2.75.2+ubuntu22.04","2.76+ubuntu22.04"],"ecosystem_specific":{"availability":"No 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