Use-after-free vulnerability in libheif 1.4.0's heif::HeifContext::Image::set_alpha_channel in heif_context.h

Use-after-free vulnerability in libheif 1.4.0's heif::HeifContext::Image::set_alpha_channel in heif_context.h

CVE-2019-11471 · MEDIUM Severity

AV:N/AC:M/AU:N/C:P/I:P/A:P

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.

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