CVE-2017-18258: Allocation of Resources Without Limits or Throttling

April 8, 2018 (updated September 10, 2020)

The xz_head function in xzlib.c in libxml2 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.

References

nvd.nist.gov/vuln/detail/CVE-2017-18258

Code Behaviors & Features

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