{"id":"USN-8129-1","summary":"pyasn1 vulnerability","details":"It was discovered that pyasn1 incorrectly handled recursion when decoding\nASN.1 data. An attacker could use this issue to cause pyasn1 to consume\nresources, leading to a denial of service.","modified":"2026-03-31T18:16:30.958930956Z","published":"2026-03-30T11:41:01Z","related":["UBUNTU-CVE-2026-30922"],"upstream":["CVE-2026-30922","UBUNTU-CVE-2026-30922"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8129-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-30922"}],"affected":[{"package":{"name":"pyasn1","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pyasn1@0.4.8-1ubuntu0.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.8-1ubuntu0.2"}]}],"versions":["0.4.8-1","0.4.8-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"pypy-pyasn1","binary_version":"0.4.8-1ubuntu0.2"},{"binary_name":"python3-pyasn1","binary_version":"0.4.8-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8129-1.json","cves_map":{"cves":[{"id":"CVE-2026-30922","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}},{"package":{"name":"pyasn1","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/pyasn1@0.4.8-4ubuntu0.2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.4.8-4ubuntu0.2"}]}],"versions":["0.4.8-4","0.4.8-4ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-pyasn1","binary_version":"0.4.8-4ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8129-1.json","cves_map":{"cves":[{"id":"CVE-2026-30922","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:24.04:LTS"}}},{"package":{"name":"pyasn1","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/pyasn1@0.6.1-1ubuntu0.2?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.1-1ubuntu0.2"}]}],"versions":["0.6.1-1","0.6.1-1ubuntu0.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"python3-pyasn1","binary_version":"0.6.1-1ubuntu0.2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8129-1.json","cves_map":{"cves":[{"id":"CVE-2026-30922","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:25.10"}}}],"schema_version":"1.7.5"}