K-Meleon 1.5.3 allows context-dependent attackers to spoof the address bar, via window.open with a relative URI, to show an arbitrary file: URL after a victim has visited any file: URL, as demonstrated by a visit to a file: document written by the attacker.

Stack-based buffer overflow in Kaillera Server 0.86 and earlier allows remote attackers to execute arbitrary code via a long nickname.