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 XML External Entity (XXE) attacks via a crafted document.

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v3.1

5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:P/I:N/A:N

EPSS

2.94% chance of exploitation in the next 30 days, 86th percentile

Published

2016-11-16

Updated

2025-12-04

Proof-of-concept exploits (1)

• lsh123/xmlsec/issues/43

References

• CVE Record
• NVD entry

Related

• CVE-2016-9316
• CVE-2016-9332
• CVE-2016-9315
• CVE-2016-9349
• CVE-2016-9314
• CVE-2016-9351