Arbitrary Code Injection Affecting unbound package, versions <1.9.6-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.34% (68th percentile)

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  • Snyk IDSNYK-ECHOLATEST-UNBOUND-18234941
  • published23 Jul 2026
  • disclosed27 Apr 2021

Introduced: 27 Apr 2021

CVE-2019-25031  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade Echo:latest unbound to version 1.9.6-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream unbound package and not the unbound package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

Unbound before 1.9.5 allows configuration injection in create_unbound_ad_servers.sh upon a successful man-in-the-middle attack against a cleartext HTTP session. NOTE: The vendor does not consider this a vulnerability of the Unbound software. create_unbound_ad_servers.sh is a contributed script from the community that facilitates automatic configuration creation. It is not part of the Unbound installation

CVSS Base Scores

version 3.1