CVE-2019-25040

moderate-risk
Published 2021-04-27

Unbound before 1.9.5 allows an infinite loop via a compressed name in dname_pkt_copy. 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

Do I need to act?

~
1.0% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (2)

Affected Vendors

Debian Nlnetlabs

References (6)

Mailing List https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html
Patch https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/
Third Party Advisory https://security.netapp.com/advisory/ntap-20210507-0007/
Mailing List https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html
Patch https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/
Third Party Advisory https://security.netapp.com/advisory/ntap-20210507-0007/
36
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 3/34 · Minimal
Exposure 7/34 · Low