/usr/share/maven-repo/net/ is in libcobertura-java 1.9.4.1+dfsg-3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/maven-repo/net/sourceforge/
/usr/share/maven-repo/net/sourceforge/cobertura/
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura/
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura-runtime/
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura-runtime/1.9.4.1/
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura-runtime/1.9.4.1/cobertura-runtime-1.9.4.1.pom
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura-runtime/debian/
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura-runtime/debian/cobertura-runtime-debian.pom
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura/1.9.4.1/
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura/1.9.4.1/cobertura-1.9.4.1.jar
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura/1.9.4.1/cobertura-1.9.4.1.pom
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura/debian/
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura/debian/cobertura-debian.jar
/usr/share/maven-repo/net/sourceforge/cobertura/cobertura/debian/cobertura-debian.pom