CLSA-2026-1792810562 unbound: Fix of 6 CVEs

CVE-2025-5994: do not cache non-ECS answers to ECS queries in the subnet cache Rebirthday attack - CVE-2026-40622: limit the TTL of a higher-trust NS rrset replacing a cached delegation ghost domain - CVE-2026-50106: treat an unsigned parent denial of an island trust anchor as bogus -...

SUSE CVE-2026-35501

When NLnet Labs Unbound 1.0.1 up to and including version 1.26.1 is configured with both a root trust anchor and an additional 'trust-anchor:' for an island-of-security zone whose parent is provably insecure under the root chain, a malicious actor with a forged NSEC reply with the SOA bit cleared...

Important: libXtst

Issue Overview: An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients. CVE-2026-94286 Affected Packages: libXtst Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ sectio...

Important: libXtst

Issue Overview: An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients. CVE-2026-94286 Affected Packages: libXtst Issue Correction: Run dnf update libXtst --releasever 2023.12.20261026 or dnf update --advisor...

Amazon Linux 2 : libXtst (ALAS-2026-4012)

The version of libXtst installed on the remote host is prior to 1.2.3-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-4012 advisory. An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attach...

Medium: unbound

Issue Overview: In NLnet Labs Unbound up to and including version 1.26.1, an observable cache-level side-channel can be exposed with 'unwanted-reply-threshold 0' configurations not a default configuration. If a response-like UDP datagram reaches the upstream source port currently used by a...

SUSE CVE-2026-109125

In NLnet Labs Unbound up to and including version 1.26.1, an observable cache-level side-channel can be exposed with 'unwanted-reply-threshold 0' configurations not a default configuration. If a response-like UDP datagram reaches the upstream source port currently used by a recursive query, but i...

DEBIAN-CVE-2026-115863

ConnMan through 2.0 has a stack-based buffer overflow via a DHCPv6 Reply message. This occurs in getdomains in gdhcp/client.c. It copies a fixed NSMAXDNAME 1025 bytes from a DHCPv6 DOMAINLIST option 24 value into a 1026-byte stack buffer dnsname regardless of the actual option length, then walks...

CVE-2026-115863

ConnMan through 2.0 has a stack-based buffer overflow via a DHCPv6 Reply message. This occurs in getdomains in gdhcp/client.c. It copies a fixed NSMAXDNAME 1025 bytes from a DHCPv6 DOMAINLIST option 24 value into a 1026-byte stack buffer dnsname regardless of the actual option length, then walks...

CVE-2026-115863

ConnMan through 2.0 has a stack-based buffer overflow via a DHCPv6 Reply message. This occurs in getdomains in gdhcp/client.c. It copies a fixed NSMAXDNAME 1025 bytes from a DHCPv6 DOMAINLIST option 24 value into a 1026-byte stack buffer dnsname regardless of the actual option length, then walks...

CVE-2026-115863

Versions of ConnMan through 2.0 are vulnerable to a stack-based buffer overflow in the get_domains function located in gdhcp/client.c. The flaw occurs because the software copies a fixed 1025 bytes from a DHCPv6 DOMAIN_LIST (option 24) into a 1026-byte stack buffer regardless of the actual option...

EUVD-2026-109113

ConnMan through 2.0 has a stack-based buffer overflow via a DHCPv6 Reply message. This occurs in getdomains in gdhcp/client.c. It copies a fixed NSMAXDNAME 1025 bytes from a DHCPv6 DOMAINLIST option 24 value into a 1026-byte stack buffer dnsname regardless of the actual option length, then walks...

CVE-2026-93628

An attendee authentication vulnerability in the email calendar processing of Zimbra Collaboration Suite ZCS allows an unauthenticated sender to forge another attendee's response to an existing meeting. Zimbra passes a null sender identity when processing iCalendar REPLY components, causing the...

CVE-2026-115479 baserCMS: Mail-form auto-replies accept multiple visitor-controlled recipients

baserCMS is a website development framework. In versions 5.2.5 before 5.3.2 and 5.4.0 before 5.4.2, an unauthenticated visitor can supply a comma-separated address list in a public mail form's email field and cause a single auto-reply to be addressed to multiple third parties...

EUVD-2026-108964

An attendee authentication vulnerability in the email calendar processing of Zimbra Collaboration Suite ZCS allows an unauthenticated sender to forge another attendee's response to an existing meeting. Zimbra passes a null sender identity when processing iCalendar REPLY components, causing the...

CVE-2026-93628

The Zimbra Collaboration Suite (ZCS) version 10.1.16 and 10.1.21 are vulnerable to an authentication bypass in the email calendar processing. The root cause is that the system passes a null sender identity when processing iCalendar REPLY components, which leads to the attendee authorization filte...

toxy

toxy Not actively maintained, may not work with latest node.js runtimes. If you are interested in maintaining toxy, please open an issue. Hackable HTTP proxy to simulate server failure scenarios , systems resiliency testing and unexpected network conditions , built for node.js. It was mainly...

PT-2026-122190

ConnMan through 2.0 has a stack-based buffer overflow via a DHCPv6 Reply message. This occurs in get domains in gdhcp/client.c. It copies a fixed NS MAXDNAME 1025 bytes from a DHCPv6 DOMAIN LIST option 24 value into a 1026-byte stack buffer dns name regardless of the actual option length, then...

CVE-2026-115449

A flaw exists in libslirp where the reply length is not updated to match the actual data received from the host during ICMP echo request handling. When the normal ICMP socket is unavailable, this length desynchronization causes the host's real IP address to be leaked to the guest, compromising th...

CVE-2026-115449 Libslirp: libslirp: icmp echo reply length desynchronization leaks host ip to guest

A flaw was found in libslirp. When handling ICMP echo requests, the reply length is not updated to match the actual data received from the host. Under specific conditions where the normal ICMP socket is unavailable, this length mismatch causes the host's real IP address to be leaked to the guest ...