K000162871: PowerDNS DNSdist vulnerability CVE-2026-40211

Security Advisory Description An attacker can send crafted DNS over HTTP/3 queries, triggering an exception that prevents some buffer from being freed right away. The buffer will be freed at the end of the QUIC connection, but on some setups it might be possible to open enough concurrent DoH3...

openSUSE 16 Security Update : dnsdist (openSUSE-SU-2026:21533-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21533-1 advisory. Update to 1.9.15. Changes for dnsdist: - https://www.dnsdist.org/changelog.htmlchange-1.9.15 - https://www.dnsdist.org/changelog.htmlchange-1.9....

Linux Distros Unpatched Vulnerability : CVE-2026-52682

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - CVE-2026-52682: A crafted DNS packet can cause increased memory and CPU consumption. CVE-2026-52682 Note that Nessus relies on the presence of the package as...

Security update for dnsdist (important)

openSUSE security update: security update for dnsdist ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21533-1 Rating: important References: bsc1269201 bsc1269202 bsc1269203 bsc1269204 bsc1269205 bsc1269206 bsc1269207 Cross-References: CVE-2026-40011...

OPENSUSE-SU-2026:21533-1 Security update for dnsdist

This update for dnsdist fixes the following issues: Update to 1.9.15. Changes for dnsdist: - https://www.dnsdist.org/changelog.htmlchange-1.9.15 - https://www.dnsdist.org/changelog.htmlchange-1.9.14 Security issues fixed: - CVE-2026-40011: invalid output produced in the prometheus endpoint when a...

dnsdist-2.0.7-1.1 on GA media (moderate)

dnsdist-2.0.7-1.1 on GA media Announcement ID: openSUSE-SU-2026:11411-1 Rating: moderate Cross-References: CVE-2026-40011 CVE-2026-40208 CVE-2026-40209 CVE-2026-40210 CVE-2026-40211 CVE-2026-42004 CVE-2026-42005 CVSS scores: CVE-2026-40011 SUSE : 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N...

OPENSUSE-SU-2026:11411-1 dnsdist-2.0.7-1.1 on GA media

These are all security issues fixed in the dnsdist-2.0.7-1.1 package on the GA media of openSUSE Tumbleweed...

Security update for dnsdist (moderate)

openSUSE security update: security update for dnsdist ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21015-1 Rating: moderate References: bsc1261236 bsc1261237 bsc1261238 bsc1261239 bsc1261240 bsc1261241 bsc1261243 bsc1262536 bsc1262537 bsc1262538...

FreeBSD : DNSdist -- vulnerabilities (6c0e17cf-73a0-11f1-910d-3c7c3fba4204)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the 6c0e17cf-73a0-11f1-910d-3c7c3fba4204 advisory. The DNSdist team reports: Thanks to people below for reporting these vulnerabilities. Tenable...

SUSE CVE-2026-42004

An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist's filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS options that DNSdist did not filter...

Debian dsa-6367 : dnsdist - security update

The remote Debian 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6367 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6367-1 [email protected] https://www.debian.org/securit...

[SECURITY] [DSA 6367-1] dnsdist security update

------------------------------------------------------------------------- Debian Security Advisory DSA-6367-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff June 25, 2026 https://www.debian.org/security/faq -...

CVE-2026-42004

An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS options that DNSdist did not filter...

CVE-2026-42004

An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS options that DNSdist did not filter...

CVE-2026-42004 EDNS options smuggling

An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS options that DNSdist did not filter...

CVE-2026-42004

CVE-2026-42004 affects DNSdist via EDNS OPT handling. An attacker can craft an EDNS OPT record that DNSdist’s filtering ignores, but is rewritten to a valid OPT when EDNS Client Subnet is applied, allowing the backend to observe EDNS options DNSdist did not filter. Impact is limited to informatio...

CVE-2026-42004 EDNS options smuggling

An attacker can send a crafted EDNS OPT record that will be ignored by DNSdist’s filtering rules, but will be rewritten as a valid OPT record when EDNS Client Subnet is inserted, causing the backend to see the EDNS options that DNSdist did not filter...

OPENSUSE-SU-2026:21015-1 Security update for dnsdist

This update for dnsdist fixes the following issues - CVE-2026-0396: crafted DNS queries can allow to inject HTML content bsc1261236. - CVE-2026-0397: CORS misconfiguration can lead to information disclosure bsc1261237. - CVE-2026-24028: crafted DNS response packet can lead to an out-of-bounds rea...

SUSE-SU-2026:22319-1 Security update for dnsdist

This update for dnsdist fixes the following issues - CVE-2026-0396: crafted DNS queries can allow to inject HTML content bsc1261236. - CVE-2026-0397: CORS misconfiguration can lead to information disclosure bsc1261237. - CVE-2026-24028: crafted DNS response packet can lead to an out-of-bounds rea...

[SECURITY] Fedora 44 Update: dnsdist-2.0.6-1.fc44

dnsdist is a highly DNS-, DoS- and abuse-aware loadbalancer. Its goal in life is to route traffic to the best server, delivering top performance to legitimate users while shunting or blocking abusive traffic...