DEBIAN-CVE-2016-9380

Advisory lineage Upstream: 1 Downstream: 2
Upstream
Published: 23 Jan 2017, 21:59
Last modified:28 Apr 2026, 20:16

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
3.0 (osv_debian)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Jan 2017, 21:59
Published
Vulnerability first disclosed
28 Apr 2026, 20:16
Last Modified
Vulnerability information updated

Description

The pygrub boot loader emulator in Xen, when nul-delimited output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via NUL bytes in the bootloader configuration file.

CVSS Metrics

  • v3.0HIGHScore: 7.5CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Affected Systems

  • debianxen

    < 4.8.0-1 | < 4.8.0-1 | < 4.8.0-1 | < 4.8.0-1

References (1)