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CVE ID:CVE-2019-11471
Description: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.
Test IDs: 1.3.6.1.4.1.25623.1.1.10.2019.0290  
Cross References: Common Vulnerability Exposure (CVE) ID: CVE-2019-11471
https://github.com/strukturag/libheif/commit/995a4283d8ed2d0d2c1ceb1a577b993df2f0e014
https://github.com/strukturag/libheif/issues/123




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