libheif 1.4.0 has a use-after-free in heif::HeifContext::Image::setalphachannel in heifcontext.h because heifcontext.cc mishandles references to non-existing alpha images.
{ "urgency": "not yet assigned" }
"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2019-11471.json"