CVE-2007-4739: reprepro 1.3.0 through 2.2.3 does not properly verify signatures when updating repositories, which allows r...

Security readout for executives and security teams

This affects reprepro, a tool used to manage Debian-style package repositories. Vulnerable versions may accept a repository update signature made with an unknown key, making a malicious Release.gpg appear valid during updates. Business risk depends on whether reprepro feeds internal package distribution, build systems, or production deployment paths. Exposure is likely limited to environments running vulnerable reprepro versions for repository mirroring or updates. Highest concern is internal package infrastructure, CI build inputs, or deployment repositories that trust reprepro-managed metadata. Prioritize if reprepro supports software delivery, CI, or production package repositories. For isolated or unused installations, urgency is lower, but vulnerable repository tooling should still be retired because it can undermine software supply-chain trust. Mitigation focus: Identify all reprepro installations and versions.; Remove or upgrade versions 1.3.0 through 2.2.3.; Follow Debian DSA-1394 and upstream release guidance..

Prepared

Jun 29, 2026, 03:38 UTC (UTC+00:00)

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