read_ujpg in jpgcoder.cc in Dropbox Lepton 1.2.1 allows attackers to cause a denial-of-service (application runtime crash because of an integer overflow) via a crafted file.Referenceshttps://github.com/dropbox/lepton/issues/111https://github.com/dropbox/lepton/commit/6a5ceefac1162783fffd9506a3de39c85c725761
