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.
{
"nvd_published_at": "2018-04-08T17:29:00Z",
"severity": "MODERATE",
"cwe_ids": [
"CWE-770"
],
"github_reviewed_at": "2020-06-16T21:24:47Z",
"github_reviewed": true
}