Description
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.
CVSS breakdown
CVSS 3.0
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected products
- xmlsoft / libxml22.9.6
References
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
- VENDOR_ADVISORYhttps://usn.ubuntu.com/3739-1/
- MISChttps://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a7dcb2ca8bb
- MISChttps://kc.mcafee.com/corporate/index?page=content&id=SB10284
- MISChttps://security.netapp.com/advisory/ntap-20190719-0001/
- MAILING_LISThttps://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
Updated 10m ago · 8 sources