DEBIAN-CVE-2026-33254
- Source
- https://security-tracker.debian.org/tracker/CVE-2026-33254
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-33254.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-33254
- Upstream
- Published
- 2026-04-22T14:16:53Z
- Modified
- 2026-09-14T17:03:07Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
An attacker can create a large number of concurrent DoQ or DoH3 connections, causing unlimited memory allocation in DNSdist and leading to a denial of service. DOQ and DoH3 are disabled by default.
- References
Affected packages
Debian:12 / dnsdist
Package
- Name
- dnsdist
- Purl
- pkg:deb/debian/dnsdist?arch=source&distro=bookworm
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
1.*
1.7.3-2
1.8.0-1
1.8.1-1
1.8.2-1
1.8.2-2
1.8.2-3
1.8.3-1
1.8.3-2
1.8.3-3
1.9.3-1
1.9.4-1
1.9.5-1
1.9.6-1
1.9.8-1
1.9.9-1
1.9.10-1
2.*
2.0.0~rc1-1
2.0.0~rc1-2
2.0.0~rc2-1
2.0.0-1
2.0.0-2
2.0.0-3
2.0.0-4
2.0.0-5
2.0.0-6
2.0.1-1
2.0.2-1
2.0.3-1
2.0.4-1
2.0.5-1
2.0.5-2
2.0.5-3
2.0.6-1
2.1.0-1
2.1.0-2
2.1.1-1
2.1.2-1
Debian:13 / dnsdist
Package
- Name
- dnsdist
- Purl
- pkg:deb/debian/dnsdist?arch=source&distro=trixie
Debian:14 / dnsdist
Package
- Name
- dnsdist
- Purl
- pkg:deb/debian/dnsdist?arch=source&distro=forky
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affectedFixed2.0.4-1