Tuesday's security advisories
Fedora has updated qemu (F21: multiple vulnerabilities).
Oracle has updated gdk-pixbuf2 (OL7; OL6: code execution), jakarta-taglibs-standard (OL7; OL6: code execution), and nss-softokn (OL7; OL6: signature forgery).
Red Hat has updated nss-softokn(RHEL6,7: signature forgery) and pcs(RHEL6,7: privilege escalation).
Ubuntu has updated expat (15.04,14.04, 12.04: denial of service) and gnutls28 (15.04: two vulnerabilities).