CVE-2010-0205: Uncontrolled Resource Consumption

March 3, 2010 (updated August 7, 2020)

The png_decompress_chunk function in pngrutil.c in libpng does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file, as demonstrated by use of the deflate compression method on data composed of many occurrences of the same character, related to a “decompression bomb” attack.

References

nvd.nist.gov/vuln/detail/CVE-2010-0205

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