OSV-2021-457 Heap-buffer-overflow in unescape_tag

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31491 Crash type: Heap-buffer-overflow READ 1 Crash state: unescapetag ircparsemessagetags ircservereventtags...

irssi:server-fuzz: Heap-buffer-overflow in unescape_tag

Project: https://github.com/irssi/irssi.git Detailed Report: https://oss-fuzz.com/testcase?key=4577891154264064 Project: irssi Fuzzing Engine: afl Fuzz Target: server-fuzz Job Type: aflasanirssi Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x60300011669f Crash State:...