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OpenAdvisories
Unscored USN-5262-1 2 CVEs

gdisk vulnerabilities

Published Feb 3, 2022 · Updated Jun 25, 2026

Summary

The potential for an out of bounds write due to a missing bounds
check was discovered to impact the sgdisk utility of GPT fdisk.
Exploitation requires the use of a maliciously formatted storage
device and could cause sgdisk to crash as well as possibly
allow for local privilege escalation.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · Pro 16.04 LTS Pro:16.04:LTS gdisk 1.0.1-1ubuntu0.1~esm2

Vulnerabilities 2

References

  • report
    https://ubuntu.com/security/CVE-2020-0256
  • report
    https://ubuntu.com/security/CVE-2021-0308