CVE-2020-23109

Buffer overflow vulnerability in function convert_colorspace in heif_colorconversion.cc in libheif v1.6.2, allows attackers to cause a denial of service and disclose sensitive information, via a crafted HEIF file.

CVE-2020-19498

Floating point exception in function Fraction in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impacts.

CVE-2020-19499

An issue was discovered in heif::Box_iref::get_references in libheif 1.4.0, allows attackers to cause a Denial of Service or possibly other unspecified impact due to an invalid memory read.