CVE-2026-33598

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

UBUNTU-CVE-2026-33598

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

UBUNTU-CVE-2026-33599

A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via either the autoUpgrade Lua option to newServer or autoupgrade YAML settings. DDR upgrade is not enabled by default...

CVE-2026-31478 ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2len with offsetof in smb2calcmaxoutbuflen After this commit e2b76ab8b5c9 "ksmbd: add support for read compound", response buffer management was changed to use dynamic iov array. In the new design,...

CVE-2026-31478

The CVE-2026-31478 issue affects ksmbd in the Linux kernel. The root cause is an incorrect calculation of the response buffer length in smb2_calc_max_out_buf_len(), where a hardcoded hdr2_len was used instead of the correct offset to the Buffer field. The security advisories describe that after a...

CVE-2026-31478 ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2len with offsetof in smb2calcmaxoutbuflen After this commit e2b76ab8b5c9 "ksmbd: add support for read compound", response buffer management was changed to use dynamic iov array. In the new design,...

CVE-2026-33596 TCP backend stream ID overflow

A client might theoretically be able to cause a mismatch between queries sent to a backend and the received responses by sending a flood of perfectly timed queries that are routed to a TCP-only or DNS over TLS backend...

CVE-2026-33598

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

CVE-2026-33598

A cached crafted response can cause an out-of-bounds read if custom Lua code calls getDomainListByAddress or getAddressListByDomain on a packet cache...

CVE-2026-33598

PowerDNS DNSdist is affected by CVE-2026-33598: a cached crafted response can trigger an out-of-bounds read when Lua code calls getDomainListByAddress() or getAddressListByDomain() on a packet cache. Multiple vendors/advisories (SUSE, Red Hat, Debian, Alpine, EUVD, NVD) document the flaw. The pro...

CVE-2026-33599 Out-of-bounds read in service discovery

A rogue backend can send a crafted SVCB response to a Discovery of Designated Resolvers request, when requested via either the autoUpgrade Lua option to newServer or autoupgrade YAML settings. DDR upgrade is not enabled by default...

CVE-2026-33602 Off-by-one access when processing crafted UDP responses

A rogue backend can send a crafted UDP response with a query ID off by one related to the maximum configured value, triggering an out-of-bounds write leading to a denial of service...

EUVD-2026-24731

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...

EUVD-2026-24723

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

RUSTSEC-2026-0106 Record cache accepts AUTHORITY section NS from sibling zone via parent-pool zone-context elevation

The Hickory DNS project's experimental hickory-recursor crate's record cache DnsLru stores records from DNS responses keyed by each record's own name, type, not by the query that triggered the response. cacheresponse in crates/recursor/src/lib.rs chains ANSWER, AUTHORITY, and ADDITIONAL sections...

DEBIAN-CVE-2026-33600

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...

CVE-2026-33600

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...

CVE-2026-33259

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

DEBIAN-CVE-2026-33259

Having many concurrent transfers of the same RPZ can lead to inconsistent RPZ data, use after free and/or a crash of the recursor. Normally concurrent transfers of the same RPZ zone can only occur with a malfunctioning RPZ provider...

CVE-2026-33600

An RPZ sent by a malicious authoritative server can result in a null pointer dereference, caused by a missing consistency check and leading to a denial of service...