AlmaLinux 8 : glibc (ALSA-2026:42733)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:42733 advisory. glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings CVE-2026-5928 glibc: glibc:...

RockyLinux 8 : glibc (RLSA-2026:42733)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:42733 advisory. glibc: glibc: Information disclosure or denial of service via ungetwc function with specific wide character encodings CVE-2026-5928 glibc: glibc:...

PT-2026-63391

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.22.0 through 1.25.1 Description A remote unauthenticated client can terminate the entire resolver process using a single DNS-over-QUIC DoQ connection and one normal DNS query. This occurs when ngtcp2 conn writev...

PT-2026-63386

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.18.0 through 1.25.1 Description When the software listens on a 'proxy-protocol-port' interface with answer-cookie: yes, the RFC 9018 server-cookie SipHash is computed using the proxy's wire address rather than the...

PT-2026-63384

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.4.22 through 1.25.1 Description An issue exists where the secrecy of the randomized UDP source port, used to increase entropy in DNS transactions, is undermined when resolver load balancing policies depend on the...

PT-2026-63377

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.7.0 through 1.25.1 Description Insufficient validation of the RRSIG.Labels field and premature cache writes during RFC 8198 aggressive NSEC processing enable cache poisoning. An attacker controlling a single...

PT-2026-63372

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.22.0 through 1.25.1 Description Client terminated DNS-over-QUIC DoQ queries are not accounted for properly, leading to an inflation of the waiting number of replies for in-flight resolution queries. This causes a...

PT-2026-63412

Name of the Vulnerable Software and Affected Versions BIND 9 versions 9.18.0 through 9.18.50 BIND 9 versions 9.20.0 through 9.20.24 BIND 9 versions 9.21.0 through 9.21.23 BIND 9 versions 9.11.3-S1 through 9.18.50-S1 BIND 9 versions 9.20.9-S1 through 9.20.24-S1 Description BIND may accept incorrec...

Security Bulletin: IBM DevOps Deploy / IBM UrbanCode Deploy (UCD) is susceptible to multiple Netty vulnerabilities (CVE-2026-45673, CVE-2026-45674, CVE-2026-47691)

Summary Netty is used by IBM UrbanCode Deploy UCD for network communication. CVE-2026-45673, CVE-2026-45674, CVE-2026-47691. Vulnerability Details CVEID:CVE-2026-45673 DESCRIPTION: Netty is a network application framework for development of protocol servers and clients. Prior to versions...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration. An attacker can access internal network resources by supplying a specially crafted DNS hostname that resolves to both allowed and blocked IP addresses, causing the validation...

Gitea: Repository migration SSRF via multi-answer DNS allow-list bypass

Summary Gitea's repository migration URL validation can be bypassed when a migration hostname resolves to multiple IP addresses. The validation logic accepts the destination if any resolved IP is allowed, even if another resolved IP is loopback, private, or otherwise blocked. The later git clone...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration. An attacker can access internal network resources by supplying a specially crafted DNS hostname that resolves to both allowed and blocked IP addresses, causing the validation...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration. An attacker can access internal network resources by supplying a specially crafted DNS hostname that resolves to both allowed and blocked IP addresses, causing the validation...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration. An attacker can access internal network resources by supplying a specially crafted DNS hostname that resolves to both allowed and blocked IP addresses, causing the validation...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration. An attacker can access internal network resources by supplying a specially crafted DNS hostname that resolves to both allowed and blocked IP addresses, causing the validation...

Server-side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-side Request Forgery SSRF in the repository migration. An attacker can access internal network resources by supplying a specially crafted DNS hostname that resolves to both allowed and blocked IP addresses, causing the validation...

net: golang: Go net package: Denial of Service via long CNAME response in LookupCNAME

A flaw was found in the net package of Go golang, specifically when using the LookupCNAME function with the cgo DNS resolver. A remote attacker could exploit this by providing a very long Canonical Name CNAME response. This can trigger a double-free of C memory, leading to a crash and a Denial of...

CVE-2026-46600

Technical details beyond the summary are not provided in the connected documents. Monitor for updates to any new information that may clarify affected components, impact, and remediation.

CVE-2026-46600 Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage

Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer...

glibc: glibc: Application crash or uninitialized memory read via crafted DNS response

A flaw was found in glibc GNU C Library. The deprecated functions nsprintrrf, nsprintrr, and fpnquery do not properly validate the length of RDATA Resource Record Data in a DNS Domain Name System response when processing specific record types like LOC, CERT, TKEY, or TSIG. A remote attacker could...