CVE-2019-25034
9.8
CRITICAL
CVSS 3.1
EPSS 0.74%
Description
Unbound before 1.9.5 allows an integer overflow in sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write. 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
How to fix CVE-2019-25034
To remediate CVE-2019-25034, upgrade the affected package to a fixed version below.
- Debian/unbound—upgrade to 1.9.6-1 or later
Is CVE-2019-25034 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.9.6-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |