The xz_head function in xzlib.c in libxml2 before 2.9.6 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.
| Product | Vendor | Version |
|---|---|---|
| n/a | n/a | <= v5.1.1 |