CVE-2026-52690

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail...

CVE-2026-52690 Spoofed answers can mark an authoritative non-EDNS capable

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail...

CVE-2026-52690

CVE-2026-52690 affects the PowerDNS Recursor. Spoofed replies can cause an authoritative server’s IP to be marked as not supporting EDNS, leading to DNSSEC validation failures for records served by that server. The vulnerability’s impact is documented as enabling validation failures in the presen...

CVE-2026-52690 Spoofed answers can mark an authoritative non-EDNS capable

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail...

CVE-2026-52690

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail...

CVE-2026-52690

Spoofing replies to Recursor might mark an IP of an authoritative server as not supporting EDNS, causing valdiation of DNSSEC records served by that server to fail...

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-2026-40211

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 streams to trigger an out-of-memo...

CVE-2026-40211

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 streams to trigger an out-of-memo...

EUVD-2026-39350

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 streams to trigger an out-of-memo...

CVE-2026-40211

Technical details about CVE-2026-40211 are not publicly available in the provided documents. Monitor for updates.

CVE-2026-40211 Denial of service via crafted DoH3 queries

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 streams to trigger an out-of-memo...

CVE-2026-40208 Denial of service via DoH3 queries

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame...

CVE-2026-40208

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame...

CVE-2026-40208

CVE-2026-40208 concerns DoH3 servers handling DoH3 GET queries with an invalid DATA frame, potentially delaying processing and causing a denial of service. The available records state the impact as availability loss (LOW) with a CVSS 3.1 base score of 3.7, network-exposed and requiring no privile...

CVE-2026-40208

An attacker might be able to delay the processing of DoH3 queries by sending DoH3 GET queries with an invalid DATA frame...

CVE-2026-40011

CVE-2026-40011 describes a denial-of-service condition where sending a large number of crafted DNS queries can cause a dynamic block to be inserted with a value that yields invalid output on the Prometheus endpoint. The Prometheus data may then be rejected by the scraper until the dynamic block e...

qt5 security and bug fix update

An update is available for python-pyqt5-sip, qgnomeplatform, qt5-qtdoc, qt5-qtscript, qt5-qtlocation, qt5-qtsensors, adwaita-qt, qt5-qtconnectivity, qt5-qtquickcontrols2, qt5-qtserialbus, qt5-qtsvg, qt5-qtserialport, qt5-qtquickcontrols, qt5-qtmultimedia, qt5-qtxmlpatterns, qt5-qttranslations, qt...

RLSA-2023:6369 Moderate: qt5 security and bug fix update

Qt is a software toolkit for developing applications. Security Fixes: qt: buffer over-read via a crafted reply from a DNS server CVE-2023-33285 qt: allows remote attacker to bypass security restrictions caused by flaw in certificate validation CVE-2023-34410 qtbase: buffer overflow in...