CVE-2017-18258

תיאור (מקור, אנגלית)

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.

מדדים

EPSS — סבירות ניצול

3% (אחוזון 100) נכון ל-14/10/2026

CWE

CWE-770

מוצרים מושפעים

xmlsoft: libxml2

קישורים

• https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a‮… PatchVendor Advisory
• https://git.gnome.org/browse/libxml2/commit/?id=e2a9122b8dde53d320750451e9907a‮… PatchVendor Advisory
• https://kc.mcafee.com/corporate/index?page=content&id=SB10284
• https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
• https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html
• https://security.netapp.com/advisory/ntap-20190719-0001/
• https://usn.ubuntu.com/3739-1/
• https://kc.mcafee.com/corporate/index?page=content&id=SB10284
• https://lists.debian.org/debian-lts-announce/2018/09/msg00035.html
• https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html