{"id":"USN-8139-1","summary":"rust-cargo-c vulnerability","details":"It was discovered that tar-rs embedded in cargo-c incorrectly handled\nsymlinks when unpacking a tar archive. If a user or automated system were\ntricked into processing a specially crafted tar archive, a remote attacker\ncould use this issue to modify permissions of arbitrary directories outside\nthe extraction root, and possibly escalate privileges.","modified":"2026-04-22T11:08:00.453908Z","published":"2026-04-01T13:44:32Z","related":["UBUNTU-CVE-2026-33056"],"upstream":["CVE-2026-33056","UBUNTU-CVE-2026-33056"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8139-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-33056"}],"affected":[{"package":{"name":"rust-cargo-c","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/rust-cargo-c@0.10.11-1ubuntu1.1?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.11-1ubuntu1.1"}]}],"versions":["0.10.11-1ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_name":"cargo-c","binary_version":"0.10.11-1ubuntu1.1"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8139-1.json","cves_map":{"cves":[{"id":"CVE-2026-33056","severity":[{"score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","type":"CVSS_V4"},{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:25.10"}}}],"schema_version":"1.7.5"}