Vulnerability in Xmlsoft Libxml2
CVE-2018-9251
The xz_decomp function in xzlib.c in libxml2 2.9.8, if --with-lzma is used, allows remote attackers to cause a denial of service (infinite loop) via a crafted XML file that triggers LZMA_MEMLIMIT_ERROR, as demonstrated by xmllint, a different vulnerability than CVE-2015-8035.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.024 (83.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: -0.000
Affected products
- Xmlsoft Libxml2 — versions 2.9.8
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.gnome.org/show_bug.cgi (Exploit, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2018/09/msg00035.html (mailing-list, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-9251?
- CVE-2018-9251 is a medium-severity vulnerability in Xmlsoft Libxml2, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 5.3/10. Published 2018-04-04.
- How severe is CVE-2018-9251?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2018-9251 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.