CVE-2016-9318
libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct…
Does this matter?
Lower severity and a low EPSS score (2.94%). Track it; it rarely justifies an emergency change on its own.
Description
libxml2 2.9.4 and earlier, as used in XMLSec 1.2.23 and earlier and other products, does not offer a flag directly indicating that the current document may be read but other files may not be opened, which makes it easier for remote attackers to conduct XML External Entity (XXE) attacks via a crafted document.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS
- 2.94% probability · 87th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-611
- Affected
- xmlsoft/libxml2 · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS 2.9% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/94347Third Party Advisory, VDB Entry
- https://bugzilla.gnome.org/show_bug.cgi?id=772726Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://github.com/lsh123/xmlsec/issues/43Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html
- https://security.gentoo.org/glsa/201711-01Third Party Advisory
- https://usn.ubuntu.com/3739-1/Third Party Advisory
- https://usn.ubuntu.com/3739-2/Third Party Advisory
- http://www.securityfocus.com/bid/94347Third Party Advisory, VDB Entry
- https://bugzilla.gnome.org/show_bug.cgi?id=772726Issue Tracking, Patch, Third Party Advisory, VDB Entry
- https://github.com/lsh123/xmlsec/issues/43Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html
- https://security.gentoo.org/glsa/201711-01Third Party Advisory
- https://usn.ubuntu.com/3739-1/Third Party Advisory
- https://usn.ubuntu.com/3739-2/Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.