CVE-2026-12245 Denial of DNS over TLS service by any DoT client

NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response...

PT-2026-52380

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An attacker can delay the processing of DNS over HTTPS DoH3 queries by sending DoH3 GET queries containing an invalid DATA frame. Recommendations At the moment,...

CVE-2026-12245

NSD from version 4.13.0 has a heap use-after-free bug in logging errors on TLS connections, causing a crash of the server process, which can be triggered trivially by sending a DNS query over a DoT connection, and closing the connection without reading the response...

Oracle Linux 9 : post (ELSA-2026-26205)

The remote Oracle Linux 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-26205 advisory. 2:3.5.25-3 - Fix for CVE-2026-43964: buffer over-read via malformed enhanced status code. Resolves: RHEL-176550 Tenable has extracted the preceding description...

NSD -- vulnerabilities

NLnet Labs reports: CVE-2026-12244: A specially crafted SVCB RR can cause a heap overflow of up to 65509 attacker controlled bytes. If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rda...

PT-2026-52400

Name of the Vulnerable Software and Affected Versions EmberZNet versions prior to 9.0.3 Description Malformed Over-the-Air OTA requests can cause the OTA server parser to perform out-of-bounds reads, which occurs when the software reads data outside the intended boundary of a buffer. This allows ...

PT-2026-52210

Name of the Vulnerable Software and Affected Versions NSD version 4.13.0 Description A heap use-after-free bug exists when logging errors on TLS connections. This issue can be triggered by sending a DNS query over a DNS over TLS DoT connection and closing the connection before reading the respons...

EUVD-2026-38871

In the Linux kernel, the following vulnerability has been resolved: pppoe: drop PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the current PPPoE driver assumes an...

AZL-90471 CVE-2026-53070 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda "add xmit recursion limit to tunnel xmit functions", on the path:...

CVE-2026-53003

In the Linux kernel, the following vulnerability has been resolved: pppoe: drop PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the current PPPoE driver assumes an...

CVE-2026-53003

In the Linux kernel, the following vulnerability has been resolved: pppoe: drop PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the current PPPoE driver assumes an...

CVE-2026-53070

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda "add xmit recursion limit to tunnel xmit functions", on the path:...

CVE-2026-53070

The CVE-2026-53070 issue affects the Linux kernel SCTP over UDP path. It concerns the IPv4/IPv6 sctp_udp_xmit code where xmit_skb() execution must occur with BH disabled; after a recursion-limit change, the context could migrate between CPUs, upsetting the dev_xmit_recursion pairing and potential...

CVE-2026-53070 sctp: disable BH before calling udp_tunnel_xmit_skb()

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda "add xmit recursion limit to tunnel xmit functions", on the path:...

CVE-2026-53070 sctp: disable BH before calling udp_tunnel_xmit_skb()

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda "add xmit recursion limit to tunnel xmit functions", on the path:...

CVE-2026-53070

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udptunnelxmitskb udptunnelxmitskb / udptunnel6xmitskb are expected to run with BH disabled. After commit 6f1a9140ecda "add xmit recursion limit to tunnel xmit functions", on the path:...

CVE-2026-53003 pppoe: drop PFC frames

In the Linux kernel, the following vulnerability has been resolved: pppoe: drop PFC frames RFC 2516 Section 7 states that Protocol Field Compression PFC is NOT RECOMMENDED for PPPoE. In practice, pppd does not support negotiating PFC for PPPoE sessions, and the current PPPoE driver assumes an...

Astra Linux – Vulnerability in curl

When performing multi-threaded LDAPS transfers LDAP over TLS with libcurl, changing TLS options in one thread will inadvertently change them globally, and thus may also affect other concurrently running transfers. Disabling certificate verification for a specific transfer can unintentionally...

libxml2 security update

An update is available for libxml2. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libxml2 library is a development toolbox providing the implementation of...

RLSA-2026:28234 Low: libxml2 security update

The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fixes: libxml2: buffer over-read in xmlHTMLPrintFileContext in xmllint.c CVE-2024-34459 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...