CVE-2019-25038: Integer Overflow
First published: Tue Apr 27 2021(Updated: )
** DISPUTED ** 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| libunbound | <1.9.5 | |
| Debian GNU/Linux | =9.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is CVE-2019-25038?
CVE-2019-25038 is a vulnerability in Unbound before version 1.9.5 that allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c.
What is the severity of CVE-2019-25038?
The severity of CVE-2019-25038 is critical with a CVSS score of 9.8.
Is CVE-2019-25038 a disputed vulnerability?
Yes, CVE-2019-25038 is disputed. The vendor disputes that it is a vulnerability, but there are sources that claim it is.
How can CVE-2019-25038 be exploited?
Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.
How can I fix CVE-2019-25038?
Upgrade Unbound to version 1.9.5 or later to fix CVE-2019-25038.
- agent/type
- agent/remedy
- agent/severity
- agent/references
- agent/status
- agent/description
- agent/first-publish-date
- agent/event
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/source
- agent/weakness
- agent/author
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- vendor/nlnetlabs
- canonical/libunbound
- vendor/debian
- canonical/debian gnu/linux
- version/debian gnu/linux/9.0
- status/disputed