CVE-2012-0962: Aptdaemon 0.43 in Ubuntu 11.10 and 12.04 LTS uses short IDs when importing PPA GPG keys from a keyserver, w...

Security readout for executives and security teams

This flaw affected Ubuntu 11.10 and 12.04 LTS systems using Aptdaemon 0.43. When adding PPA signing keys, the software used short key IDs, making it possible for a network attacker to cause the system to trust the wrong repository key. Exposure is most likely on legacy Ubuntu 11.10 or Ubuntu 12.04 LTS systems using Aptdaemon 0.43 and adding PPAs through affected workflows. Systems not using those Ubuntu versions or not importing PPA keys through Aptdaemon are not shown as affected by the provided sources. Treat this as a targeted legacy-system risk, not a current internet-wide emergency. Prioritize if the organization still operates affected Ubuntu releases or relies on PPAs for software distribution. Mitigation focus: Review Ubuntu USN-1666-1 for vendor-directed remediation.; Update affected Ubuntu packages according to Ubuntu guidance.; Avoid adding PPAs over untrusted networks until remediated..

Prepared

Jun 24, 2026, 12:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.