UBUNTU-CVE-2017-16931

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2017-16931
Published: 23 Nov 2017, 21:29
Last modified:16 Jul 2025, 08:13

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.8 CRITICAL
3.0 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Nov 2017, 21:29
Published
Vulnerability first disclosed
16 Jul 2025, 08:13
Last Modified
Vulnerability information updated

Description

parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.

CVSS Metrics

  • v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntu•libxml2

    < 2.9.1+dfsg1-3ubuntu4.10 | < 2.9.3+dfsg1-1ubuntu0.3

References (3)