CVE-2026-73206
No scoreFix available
[A crafted DNS packet can cause a denial of service decompressing the DNS names in the packet]
What each source reports
OSVUBUNTU-CVE-2026-73206 No score
[A crafted DNS packet can cause a denial of service decompressing the DNS names in the packet]
- Record
UBUNTU-CVE-2026-73206- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pdnsDebian:12 |
All versions, plus listed versions 4.7.3-24.8.0-14.8.0-24.8.1-14.8.1-2 Show 37 moreShow less4.8.2-14.8.2-24.8.3-14.8.3-24.8.3-34.8.3-44.9.0-14.9.0-24.9.1-14.9.1-24.9.1-34.9.2-14.9.2-24.9.3-14.9.3-24.9.3-34.9.4-14.9.4-24.9.7-15.0.0-15.0.0-25.0.1-15.0.2-15.0.3-15.0.4-15.0.5-15.0.5-25.0.5-35.0.5-45.1.0-15.1.1-15.1.1-25.1.1-35.1.2-15.1.3-15.1.4-15.1.5-1 |
None known |
pdnsDebian:13 |
before 4.9.18-0+deb13u1, plus listed versions 4.9.14-0+deb13u14.9.15-0+deb13u14.9.16-0+deb13u14.9.17-0+deb13u14.9.7-1 |
4.9.18-0+deb13u1 |
pdnsDebian:14 |
before 5.1.5-1, plus listed versions 4.9.7-15.0.0-15.0.0-25.0.1-15.0.2-1 Show 13 moreShow less5.0.3-15.0.4-15.0.5-15.0.5-25.0.5-35.0.5-45.1.0-15.1.1-15.1.1-25.1.1-35.1.2-15.1.3-15.1.4-1 |
5.1.5-1 |
pdns-recursorDebian:12 |
All versions, plus listed versions 4.8.4-14.8.6-14.8.7-14.8.8-14.8.8-1+deb12u1 Show 45 moreShow less4.9.0-14.9.0-24.9.1-14.9.1-24.9.1-34.9.1-44.9.2-14.9.2-24.9.3-14.9.4-14.9.5-15.0.5-15.0.7-15.0.7-25.0.9-15.1.3-15.1.3-25.2.0-15.2.0-25.2.0-35.2.0-45.2.0-55.2.1-15.2.2-15.2.2-25.2.4-15.2.4-25.2.5-15.3.0-15.3.0-25.3.0-35.3.0-45.3.0-55.3.1-15.3.3-15.3.4-15.3.4-25.3.5-15.4.0-15.4.1-15.4.1-25.4.2-15.4.2-25.4.3-15.4.4-1 |
None known |
pdns-recursorDebian:13 |
All versions, plus listed versions 5.2.11-0+deb13u15.2.12-0+deb13u15.2.13-0+deb13u15.2.4-25.2.4-2+deb13u1 Show 27 moreShow less5.2.5-15.2.6-0+deb13u15.2.7-0+deb13u15.2.8-0+deb13u15.2.9-0+deb13u15.3.0-15.3.0-25.3.0-35.3.0-45.3.0-55.3.1-15.3.3-15.3.4-15.3.4-25.3.5-15.4.0-15.4.1-15.4.1-25.4.2-15.4.2-25.4.3-15.4.4-15.4.5-15.4.6-15.4.6-25.4.8-15.4.9-1 |
None known |
pdns-recursorDebian:14 |
before 5.4.8-1, plus listed versions 5.2.4-25.2.5-15.3.0-15.3.0-25.3.0-3 Show 17 moreShow less5.3.0-45.3.0-55.3.1-15.3.3-15.3.4-15.3.4-25.3.5-15.4.0-15.4.1-15.4.1-25.4.2-15.4.2-25.4.3-15.4.4-15.4.5-15.4.6-15.4.6-2 |
5.4.8-1 |
pdnsUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 3.4.5-1build23.4.6-23.4.6-33.4.7-13.4.7-2 Show 5 moreShow less4.0.0~alpha1-14.0.0~alpha2-24.0.0~alpha2-34.0.0~alpha2-3build14.0.0~alpha2-3ubuntu0.1~esm1 |
None known |
pdns-recursorUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 3.7.3-14.0.0~alpha1-14.0.0~alpha1-24.0.0~alpha2-24.0.0~alpha2-2ubuntu0.14.0.0~alpha2-2ubuntu0.1+esm1 |
None known |
pdnsUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 4.0.4-24.0.4-2build14.0.5-14.1.0-14.1.0-24.1.0-2build14.1.1-14.1.1-1ubuntu0.1~esm1 |
None known |
pdns-recursorUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 4.0.6-14.0.6-1build14.0.7-14.1.1-14.1.1-1build14.1.1-24.1.1-2ubuntu0.1~esm1 |
None known |
Show 10 moreShow less
| Package | Affected | Fixed |
|---|---|---|
pdnsUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 4.1.6-3build14.2.0-14.2.1-14.2.1-1build14.2.1-1build24.2.1-1ubuntu0.1~esm1 |
None known |
pdns-recursorUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 4.2.0-64.2.1-14.2.1-1build14.2.1-1build24.2.1-1ubuntu0.1~esm1 |
None known |
pdnsUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 4.4.1-1build14.4.1-34.4.1-44.5.2-1build14.5.3-14.5.3-1ubuntu0.1~esm1 |
None known |
pdns-recursorUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 4.4.2-34.6.0-1ubuntu14.6.0-1ubuntu1+esm1 |
None known |
pdnsUbuntu:24.04:LTS |
All versions, plus listed versions 4.8.1-1build14.8.3-24.8.3-2build14.8.3-34.8.3-44.8.3-4build24.8.3-4build3 |
None known |
pdns-recursorUbuntu:24.04:LTS |
All versions, plus listed versions 4.9.0-24.9.1-44.9.2-14.9.2-1build14.9.2-24.9.3-14.9.3-1build24.9.3-1build3 |
None known |
pdnsUbuntu:26.10 |
All versions, plus listed versions 5.0.2-1build15.0.5-45.1.0-15.1.1-15.1.1-2 Show 4 moreShow less5.1.1-35.1.2-15.1.3-15.1.4-1 |
None known |
pdns-recursorUbuntu:26.10 |
All versions, plus listed versions 5.3.5-15.4.3-15.4.5-1 |
None known |
pdnsUbuntu:26.04:LTS |
All versions, plus listed versions 5.0.0-25.0.1-15.0.2-15.0.2-1build1 |
None known |
pdns-recursorUbuntu:26.04:LTS |
All versions, plus listed versions 5.2.4-2build25.3.1-15.3.3-15.3.4-15.3.4-1build15.3.4-25.3.5-1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-73206 is a vulnerability with no CVSS score yet in pdns, published October 21, 2026. No source lists public exploit code. Fixed in pdns 4.9.18-0+deb13u1.
References
This page doesn't list everything
Left out here: 5 versions. The JSON record has them.