Memory Handling Vulnerability in LibRaw Affecting Multiple Platforms

CVE-2020-15503

What is CVE-2020-15503?

LibRaw prior to version 0.20-RC1 is susceptible to a vulnerability arising from a lack of validation for thumbnail size during memory allocation. Specifically, when processing images, the library fails to restrict the size of the thumbnail data, leading to potential memory corruption issues. This flaw surfaces in the decoding components, particularly in unpack_thumb.cpp, mem_image.cpp, and thumb_utils.cpp, where inappropriate sizes may be utilized for memory allocations, resulting in unpredictable behavior and increased risk of exploitation.

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References