CVE-2019-11471 – Ubuntu Security Notice USN-6847-1

https://notcve.org/view.php?id=CVE-2019-11471

23 Apr 2019 — libheif 1.4.0 has a use-after-free in heif::HeifContext::Image::set_alpha_channel in heif_context.h because heif_context.cc mishandles references to non-existing alpha images. libheif 1.4.0 tiene un uso de memoria después de liberación en heif::HeifContext::Imagen::set_alpha_channel en heif_context.h porque heif_context.cc maneja mal las referencias a imágenes alfa no existentes. It was discovered that libheif incorrectly handled certain image data. An attacker could possibly use this issue to crash the pro... • https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2f0e014 • CWE-416: Use After Free •