Heap overflow

tcpemu in tcpsubr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMUIRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code...

CVE-2020-7039

tcpemu in tcpsubr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMUIRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code...

irssi IRC client / multiple routers DoS

Crash on DCC commands processing. Multiple routers with VxWorks embedded process IRC requests and drop IRC connection...

USN-259-1: irssi vulnerability

A Denial of Service vulnerability was discoverd in irssi. The DCC ACCEPT command handler did not sufficiently verify the remotely specified arguments. A remote attacker could exploit this to crash irssi by sending a specially crafted DCC commands...