DEBIAN-CVE-2026-123575

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Source

https://security-tracker.debian.org/tracker/CVE-2026-123575

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-123575.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-123575

Upstream

CVE-2026-123575

Published

2026-11-08T02:16:50Z

Modified

2026-11-08T15:00:06Z

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

Hickory DNS before 0.26.2 contains a resource exhaustion vulnerability in its DNS-over-HTTPS HTTP/2 server that lacks sufficient timeouts or limits for incomplete request bodies. Remote attackers can open DoH connections, send incomplete request bodies, and hold connections open to exhaust server memory.

References

https://security-tracker.debian.org/tracker/CVE-2026-123575

Affected packages

Debian:13 / rust-hickory-dns

Package

Name: rust-hickory-dns
Purl: pkg:deb/debian/rust-hickory-dns?arch=source&distro=trixie

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.24.4-1

0.25.2-1

0.25.2-2

0.25.2-3

0.26.1-1

0.26.1-2

0.26.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-123575.json"

Debian:14 / rust-hickory-dns