CVE-2017-18258CWE-770denial-of-service

CVE-2017-18258

Medium · published April 8, 2018

CVSS v3.0
6.5
EPSS
3%
Percentile
86.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
6.5 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.02742 · 86.0th percentile
Weakness
CWE-770 · Allocation of Resources Without Limits or Throttling
Published
2018-04-08T21:29Z
Affected products (1)
ProductVersionsFixed in
xmlsoft/libxml2< 2.9.62.9.6
References (13)
https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb · [email protected]https://kc.mcafee.com/corporate/index?page=content&id=SB10284 · [email protected]https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html · [email protected]https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html · [email protected]https://security.netapp.com/advisory/ntap-20190719-0001/ · [email protected]https://usn.ubuntu.com/3739-1/ · [email protected]https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb · af854a3a-2127-422b-91ae-364da2661108https://kc.mcafee.com/corporate/index?page=content&id=SB10284 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html · af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20190719-0001/ · af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3739-1/ · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 08 APR 17:00Z
    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…
    cvelistv5