{"id":"UBUNTU-CVE-2025-4432","details":"A flaw was found in Rust's Ring package. A panic may be triggered when overflow checking is enabled. In the QUIC protocol, this flaw allows an attacker to induce this panic by sending a specially crafted packet. It will likely occur unintentionally in 1 out of every 2**32 packets sent or received.","modified":"2026-05-20T16:11:22.289038747Z","published":"2025-05-09T16:15:00Z","upstream":["CVE-2025-4432"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-4432"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-4432"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2350655"}],"affected":[{"package":{"name":"rust-ring","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/rust-ring?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.16.9-4"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-ring+default-dev","binary_version":"0.16.9-4"},{"binary_name":"librust-ring+dev-urandom-fallback-dev","binary_version":"0.16.9-4"},{"binary_name":"librust-ring-dev","binary_version":"0.16.9-4"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4432.json"}},{"package":{"name":"rust-ring","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/rust-ring?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.16.20-2","0.17.5-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.17.5-1","binary_name":"librust-ring-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4432.json"}},{"package":{"name":"rust-ring","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/rust-ring?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.17.8-2","0.17.14-2"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-ring-dev","binary_version":"0.17.14-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4432.json"}},{"package":{"name":"rust-ring","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/rust-ring?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.17.14-2","0.17.14-3"],"ecosystem_specific":{"binaries":[{"binary_name":"librust-ring-dev","binary_version":"0.17.14-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-4432.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]}