Linux Distros Unpatched Vulnerability : CVE-2026-64193

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Net::DNS versions through 1.55 for Perl allow remote execution injection via EDNS EXTENDED ERROR. Net::DNS::RR::OPT::EXTENDEDERROR::decompose parses the...

CVE-2026-62299

CoreDNS is a DNS server written in Go. Prior to 1.14.5, the CoreDNS rewrite plugin supports edns0 rewrite rules with an optional revert flag, and two response rules, edns0SetResponseRule and edns0ReplaceResponseRuleT in plugin/rewrite/edns0.go, call res.IsEdns0 and immediately dereference the...

CVE-2026-62299

CoreDNS (rewrite plugin, edns0.go) prior to version 1.14.5 could panic when a downstream plugin returns a response with no OPT record. The code path in edns0.go dereferenced a DNS OPT without a nil check, triggered by a query matching a rewrite edns0 rule (local/nsid/subnet with set/append/replac...

Alibaba Cloud Linux 3 : 0207: unbound (ALINUX3-SA-2026:0207)

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2026:0207 advisory. Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities: CVE-2026-40622: NLnet Labs Unbound 1.16.2 ...

CVE-2026-33630

A flaw was found in c-ares. A use-after-free / double-free vulnerability exists in the query-completion handling path, where a query callback is invoked while the query is still linked in internal lookup structures. A remote attacker can exploit this via aresgetaddrinfo over TCP by sending crafte...

ALSA-2026:37282 Important: unbound security update

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fixes: unbound: Unbound: Denial of Service via excessive EDNS options CVE-2026-41292 unbound: Unbound: Cache manipulation via 'ghost domain names' attack CVE-2026-40622 unbound: Unbound: Denial of...

Important: Red Hat Security Advisory: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the query completion process. An attacker can cause memory corruption and application crash by sending crafted DNS responses that manipulate the sequence of query completions, such as forcing an EDNS-downgrade retry an...

Linux Distros Unpatched Vulnerability : CVE-2026-42004

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

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...

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-2026-52690 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-2026-42004 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...

DNSdist -- vulnerabilities

The DNSdist team reports: CVE-2026-40011: Prometheus denial of service via crafted DNS queries CVE-2026-42004: EDNS options smuggling CVE-2026-42005: Insufficient input validation of internal web server CVE-2026-40208: Denial of service via DoH3 queries CVE-2026-40209: Denial of service via IXFR...

SUSE-SU-2026:22160-1 Security update for unbound

This update for unbound fixes the following issues - CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. - CVE-2026-33278: Possible remote code execution during DNSSEC validation bsc1265587. - CVE-2026-40622: "Ghost domain name" variant bsc1265581. - CVE-2026-41292: Parsing a long list of...

OPENSUSE-SU-2026:21083-1 Security update for unbound

This update for unbound fixes the following issues - CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. - CVE-2026-33278: Possible remote code execution during DNSSEC validation bsc1265587. - CVE-2026-40622: "Ghost domain name" variant bsc1265581. - CVE-2026-41292: Parsing a long list of...

SUSE SLES15 Security Update : unbound (SUSE-SU-2026:2369-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2369-1 advisory. This update for unbound fixes the following issues - CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. - CVE-2026-33278:...

Security update for unbound

This update for unbound fixes the following issues CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. CVE-2026-33278: Possible remote code execution during DNSSEC validation bsc1265587. CVE-2026-40622: "Ghost domain name" variant bsc1265581. CVE-2026-41292: Parsing a long list of incoming...

SUSE-SU-2026:2369-1 Security update for unbound

This update for unbound fixes the following issues - CVE-2026-32792: Packet of death with DNSCrypt bsc1265583. - CVE-2026-33278: Possible remote code execution during DNSSEC validation bsc1265587. - CVE-2026-40622: 'Ghost domain name' variant bsc1265581. - CVE-2026-41292: Parsing a long list of...