3275 matches found
CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification
Summary CoreDNS's DNS-over-HTTPS DoH GET path accepts oversized dns= query values and performs substantial request parsing, query unescaping, base64 decoding, and message unpacking work before returning 400 Bad Request. A remote, unauthenticated attacker can repeatedly send oversized DoH GET...
GHSA-63CW-R7XF-JMWR CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification
Summary CoreDNS's DNS-over-HTTPS DoH GET path accepts oversized dns= query values and performs substantial request parsing, query unescaping, base64 decoding, and message unpacking work before returning 400 Bad Request. A remote, unauthenticated attacker can repeatedly send oversized DoH GET...
CVE-2026-6238
The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a DNS response,...
DEBIAN-CVE-2026-6238
The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a DNS response,...
CVE-2026-41393
OpenClaw before 2026.3.31 contains a wide-area discovery vulnerability allowing arbitrary tailnet peers to be accepted as DNS authorities. Attackers with same-tailnet position and CA-trusted endpoint access can exfiltrate operator credentials through DNS steering manipulation...
CVE-2026-41393 OpenClaw < 2026.3.31 - Arbitrary DNS Authority Acceptance and Credential Exfiltration via Wide-Area Discovery
OpenClaw before 2026.3.31 contains a wide-area discovery vulnerability allowing arbitrary tailnet peers to be accepted as DNS authorities. Attackers with same-tailnet position and CA-trusted endpoint access can exfiltrate operator credentials through DNS steering manipulation...
CVE-2026-41393 OpenClaw < 2026.3.31 - Arbitrary DNS Authority Acceptance and Credential Exfiltration via Wide-Area Discovery
OpenClaw before 2026.3.31 contains a wide-area discovery vulnerability allowing arbitrary tailnet peers to be accepted as DNS authorities. Attackers with same-tailnet position and CA-trusted endpoint access can exfiltrate operator credentials through DNS steering manipulation...
CVE-2026-41393
CVE-2026-41393 affects OpenClaw prior to 2026.3.31, where a wide-area discovery flaw can cause arbitrary tailnet peers to be accepted as DNS authorities. Attackers with the same-tailnet position and CA-trusted endpoint access can exfiltrate operator credentials via DNS steering manipulation. Affe...
CVE-2026-6238 Buffer overread in ns_printrrf with corrupted RDATA field
The deprecated functions nsprintrrf, nsprintrr and fpnquery in the GNU C Library version 2.0.1 to version 2.43 fail to validate the RDATA content against the RDATA length in a DNS response when processing A6, CERT, LOC, TKEY or TSIG records, which may allow an attacker to craft a DNS response,...
CVE-2026-6238
The GNU C Library (glibc) versions 2.0.1 through 2.43 contain a vulnerability in the deprecated functions ns_printrrf , ns_printrr , and fp_nquery . These functions fail to validate RDATA content against the RDATA length when processing A6, CERT, LOC, TKEY, or TSIG records in a DNS response. This...
Important: Red Hat Security Advisory: bind security update
An update for bind is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. 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...
Important: Red Hat Security Advisory: bind security update
An update for bind is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION. 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...
bind: BIND: Denial of Service via maliciously crafted DNSSEC-validated zone
A flaw was found in BIND. A remote attacker could exploit this vulnerability by sending a maliciously crafted DNSSEC-validated zone to a BIND resolver. This could cause the resolver to consume excessive CPU resources, leading to a denial of service DoS for legitimate users...
avahi: Avahi: Denial of Service via recursive CNAME record in mDNS response
A flaw was found in Avahi, a system that enables devices to discover services on a local network. A remote attacker can exploit this vulnerability by sending a specially crafted mDNS multicast Domain Name System response containing a recursive CNAME Canonical Name record. This triggers an...
PT-2026-35750
Name of the Vulnerable Software and Affected Versions GNU C Library versions 2.2 through 2.33 GNU C Library version 2.34 affected versions not specified Description The deprecated functions ns printrrf, ns printrr, and fp nquery fail to validate RDATA content against the RDATA length in a DNS...
CVE-2026-42254
Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response...
CVE-2026-42254
Hickory DNS hickory-recursor 0.1 through 0.25.2 allows cross-zone poisoning because cached data is not directly associated with a query that triggered a response...
CVE-2026-42255
Technitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation...
