PT-2026-29245 · Dnsdist · Dnsdist

Xavlimsg · Published 2026-01-01 · Updated 2026-04-24 · CVE-2026-24030

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions DNSdist (affected versions not specified)

Description An attacker may be able to cause DNSdist to allocate excessive memory when handling DNS over QUIC or DNS over HTTP/3 payloads, potentially leading to a denial of service. In some scenarios, the system might experience an out-of-memory condition and terminate the process.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Weakness Enumeration

CWE-789

Related Identifiers

CVE-2026-24030

OPENSUSE-SU-2026:10473-1

SUSE-SU-2026:1618-1

Affected Products

Dnsdist

References · 28

• https://cve.org/CVERecord?id=CVE-2026-24030 · Security Note
• https://dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-02.html · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-24030 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-24030 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-24030 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:10473-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1618-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-24030 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-24030 · Vendor Advisory
• https://suse.com/security/cve/CVE-2026-27853 · Note
• https://bugzilla.suse.com/1261237 · Note
• https://bugzilla.suse.com/1261239 · Note
• https://twitter.com/CVEnew/status/2039004465429147818 · Twitter Post
• https://bugzilla.suse.com/1261241 · Note
• https://twitter.com/dnsaudit/status/2044043942048547012 · Twitter Post