Description
Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
Published: 2021-04-27
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2652-1 unbound1.9 security update
Ubuntu USN Ubuntu USN USN-4938-1 Unbound vulnerabilities
History

Mon, 23 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Subscriptions

Debian Debian Linux
Nlnetlabs Unbound
Redhat Enterprise Linux Rhel Eus
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T03:00:18.862Z

Reserved: 2021-04-27T00:00:00.000Z

Link: CVE-2019-25038

cve-icon Vulnrichment

Updated: 2024-08-05T03:00:18.862Z

cve-icon NVD

Status : Modified

Published: 2021-04-27T06:15:07.643

Modified: 2024-11-21T04:39:48.000

Link: CVE-2019-25038

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-12-11T00:00:00Z

Links: CVE-2019-25038 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses