NULL pointer dereference in Xmlsoft Libxml2
CVE-2017-5969
libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. NOTE: The maintainer states "I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.026 (84.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 84.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Xmlsoft Libxml2 — versions 2.9.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.gnome.org/show_bug.cgi (Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2017/02/13/1 (mailing-list, Mailing List, Third Party Advisory)
- www.openwall.com/lists/oss-security/2016/11/05/3 (mailing-list, Mailing List, Third Party Advisory)
- security.gentoo.org/glsa/201711-01 (vendor-advisory)
- www.securityfocus.com/bid/96188 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2022/04/msg00004.html (mailing-list)
Frequently asked questions
- What is CVE-2017-5969?
- CVE-2017-5969 is a medium-severity vulnerability in Xmlsoft Libxml2, classified under NULL Pointer Dereference. CVSS score: 4.7/10. Published 2017-04-11.
- How severe is CVE-2017-5969?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2017-5969 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.