DEBIAN-CVE-2026-123608

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Source

https://security-tracker.debian.org/tracker/CVE-2026-123608

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-123608.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-123608

Upstream

CVE-2026-123608

Published

2026-11-08T02:16:55Z

Modified

2026-11-08T10:00:16Z

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 hickory-proto from 0.3.1 before 0.26.1 contains a denial of service vulnerability in BinEncoder that allows remote attackers to exhaust CPU through quadratic-time name compression. Attackers can send malicious DNS messages with many records that add many candidate labels and trigger repeated linear scans during encoding, amplifying CPU exhaustion.

References

https://security-tracker.debian.org/tracker/CVE-2026-123608

Affected packages

Debian:13 / rust-hickory-proto

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.24.4-2

0.24.4-3

0.24.4-4

0.24.4-4.1

0.24.4-5

0.24.4-6

0.25.2-1

0.25.2-2

0.25.2-3

0.26.1-1

0.26.3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source

"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-123608.json"

Debian:14 / rust-hickory-proto