DEBIAN-CVE-2026-123572

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Source

https://security-tracker.debian.org/tracker/CVE-2026-123572

Import Source

https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-123572.json

JSON Data

https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-123572

Upstream

CVE-2026-123572

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 from 0.20.1 before 0.26.2 contains a denial of service vulnerability in the hickory-proto SVCB and HTTPS record presentation format parser, which panics on malformed alpn values. Attackers can supply untrusted zone files with unbalanced quotes, consecutive commas, or invalid escapes in alpn parameters to crash parsing processes.

References

https://security-tracker.debian.org/tracker/CVE-2026-123572

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-2026-123572.json"

Debian:14 / rust-hickory-dns