PT-2026-52381

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description An attacker can cause outgoing TCP connections to a backend to remain stuck until a timeout occurs rather than being released immediately by sending IXFR...

PT-2026-52403

Name of the Vulnerable Software and Affected Versions EmberZNet versions prior to 9.0.3 Description Malformed IAS Zone enrollment messages can trigger an out-of-bounds state-table write, which leads to process termination. This issue specifically affects devices that support the IAS Zone cluster...

CVE-2026-12246: Buffer Copy without Checking Size of Input

NSD version 4.14.0 introduced a bug where a specially crafted APL RR, with an adflength larger than permitted for the address family will overwrite the stack when the zone is written to disk, with a maximum of 111 attacker controlled bytes...

PT-2026-52390

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to a crash of the Recursor due to insuffcient input validation...

PT-2026-52391

Incomplete validation of the SOA record present in a catalog zone might lead to a crash...

PT-2026-52378

A malicious authoritative server can send a crafted zone via the ZoneToCache function that leads to cache poisoning...

CVE-2026-12244

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 rdata size of 65512, that let's an uint16t variable that is used to allocate space needed for the RR wrap because total size 65535,...

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-2026-52393

An invalid zone might pass ZONEMD validation while it should not. This is only relevant if ZoneToCache is configured with ZONEMD validation...

CVE-2026-47150: Out-of-bounds Write

In EmberZNet v9.0.2 and earlier, malformed IAS Zone enrollment messages can trigger an out-of-bounds state-table write and terminate the process. The size and location of this write is limited. These messages must come from a device that has already joined the network. Only devices supporting the...

PT-2026-52209

Name of the Vulnerable Software and Affected Versions NSD affected versions not specified Description A heap overflow occurs when NSD is configured as a secondary for a zone. A primary server can crash the system by sending an AXFR containing a DNS message with a specially crafted SVCB RR Resourc...

Linux Distros Unpatched Vulnerability : CVE-2026-53127

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzone...

UBUNTU-CVE-2026-12244

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 rdata size of 65512, that let's an uint16t variable that is used to allocate space needed for the RR wrap because total size 65535,...

CVE-2026-53127

A flaw was found in the Linux kernel's block subsystem. This vulnerability allows for a memory leak when zone revalidation fails, specifically when blkrevalidatediskzones encounters an error after memory has been allocated for zonescond. This can lead to resource exhaustion, potentially resulting...

CVE-2026-53127

In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzones fails after diskrevalidatezoneresources has allocated args.zonescond, the memory is leaked because no error path frees it...

CVE-2026-53127

In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzones fails after diskrevalidatezoneresources has allocated args.zonescond, the memory is leaked because no error path frees it...

EUVD-2026-38995

In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzones fails after diskrevalidatezoneresources has allocated args.zonescond, the memory is leaked because no error path frees it...

CVE-2026-53127

The CVE-2026-53127 issue affects the Linux kernel block subsystem. It describes a memory leak in the zones_cond path when revalidating disk zones: if blk_revalidate_disk_zones() fails after disk_revalidate_zone_resources() has allocated args.zones_cond, the allocated memory is not freed on the er...

CVE-2026-53127

In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzones fails after diskrevalidatezoneresources has allocated args.zonescond, the memory is leaked because no error path frees it...

CVE-2026-53127 block: fix zones_cond memory leak on zone revalidation error paths

In the Linux kernel, the following vulnerability has been resolved: block: fix zonescond memory leak on zone revalidation error paths When blkrevalidatediskzones fails after diskrevalidatezoneresources has allocated args.zonescond, the memory is leaked because no error path frees it...