GO-2026-5017 Invoking client can cause server deadlock on unexpected responses in golang.org/x/crypto/ssh

A malicious SSH peer could send unsolicited global request responses to fill an internal buffer, blocking the connection's read loop. The blocked goroutine could not be released by calling Close, resulting in a resource leak per connection. Unsolicited global responses are now discarded...

PT-2026-42709

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description A malicious SSH peer can send unsolicited global request responses to fill an internal buffer, which blocks the connection's read loop. This prevents the blocked...

avahi: Avahi: Denial of Service via unsolicited CNAME announcements

A flaw was found in Avahi, a system that enables devices to discover services on a local network using the mDNS/DNS-SD Multicast Domain Name System/DNS-based Service Discovery protocols. A remote attacker can exploit this by sending two specific network messages, known as unsolicited announcement...

SUSE-SU-2026:1442-1 Security update for avahi

This update for avahi fixes the following issue: - CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record bsc1257235...

SUSE-SU-2026:1441-1 Security update for avahi

This update for avahi fixes the following issue: - CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record bsc1257235...

SUSE-SU-2026:21127-1 Security update for avahi

This update for avahi fixes the following issues: - CVE-2026-24401: Fix unsolicited mDNS response containing a recursive CNAME record. bsc1257235...

bind: Cache poisoning attacks with unsolicited RRs

A vulnerability exists in BIND’s DNS resolver logic that makes it overly permissive when accepting resource records RRs in responses. Under certain conditions, this flaw allows attackers to inject unsolicited or forged DNS records into the cache. This can be exploited to poison the resolver cache...

SUSE-SU-2026:1191-1 Security update for avahi

This update for avahi fixes the following issue: - CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record bsc1257235...

Unity Linux 20.1070e Security Update: avahi (UTSA-2026-006169)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006169 advisory. Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In 0.9-rc2 and earlier, avahi-daemon can be crashed by...

Cache poisoning attacks with unsolicited RRs

Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through...

KiloView Encoder Series (Update A)

RISK EVALUATION Successful exploitation of this vulnerability could allow an unauthenticated attacker to create or delete administrator accounts, granting full administrative control. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of...

SUSE CVE-2026-24401

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion via the lookuphandlecname function when processing an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonical name are identical. An attacker can cause a crash and exhaust the...

DEBIAN-CVE-2026-24401

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

CVE-2026-24401 Avahi has Uncontrolled Recursion in lookup_handle_cname function

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

CVE-2026-24401 Avahi has Uncontrolled Recursion in lookup_handle_cname function

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

CVE-2026-24401 Avahi has Uncontrolled Recursion in lookup_handle_cname function

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

EUVD-2026-4603

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. In versions 0.9rc2 and below, avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response containing a recursive CNAME record, where the alias and canonica...

CVE-2026-24401

CVE-2026-24401 affects Avahi (avahi-daemon) for versions 0.9rc2 and earlier. The issue is a segmentation fault caused by an unsolicited mDNS response containing a recursive CNAME where the alias and canonical name are the same (e.g., h.local -> h.local), triggering unbounded recursion in looku...

OESA-2026-1236 avahi security update

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared...