CVE-2026-40015

CVE-2026-40015 affects the imap-hibernate service in Open-Xchange's Dovecot implementation. An authenticated attacker can open numerous connections and send invalid commands, intermittently triggering an out-of-bounds read that crashes the process. The crash interrupts hibernated IMAP sessions, c...

AV-Chaos-Monkey

AV Chaos Monkey Piattaforma distribuita di chaos engineering per il test di carico di sistemi di videoconferenza. Simula oltre 1500 partecipanti WebRTC con flussi H.264/Opus e inietta picchi di caos di rete per convalidare la resilienza del sistema in condizioni degradate. Architettura 1. Pipelin...

EUVD-2026-41146

Wagtail: Denial of service via unbounded filter specs in the image preview...

CVE-2026-75596 Netty: Fragmented ClientHello records trigger quadratic pre-handshake reassembly in default SNI parsing

Netty is an asynchronous, event-driven network application framework. Prior to 4.1.137.Final and 4.2.17.Final, the default io.netty.handler.ssl.SniHandler constructors use the pre-handshake ClientHello aggregation path in handler/src/main/java/io/netty/handler/ssl/SslClientHelloHandler.java at...

Astra Linux – Vulnerability in Python 3.11

If the value passed to os.path.expandvars is controlled by the user, there is a possibility of performance degradation when expanding environment variables...

python: Python: Performance degradation in XML processing due to quadratic time complexity

A flaw was found in Python's xml.etree.ElementPath component. This vulnerability can lead to a denial of service DoS when processing specially crafted XML documents. Specifically, certain XPath index predicates used with functions like Element.findall and Element.iterfind can cause the processing...

Linux Distros Unpatched Vulnerability : CVE-2026-56444

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout ...

CVE-2026-44909

Proxygen lacked a generalized slow-consumer detection mechanism in its core HTTP session layer. A remote, unauthenticated attacker could exploit HTTP/2 flow-control by setting SETTINGSINITIALWINDOWSIZE to 0 or withholding WINDOWUPDATE frames, causing the server to buffer complete response bodies ...

EUVD-2026-47787

An unauthenticated remote client can cause excessive CPU consumption on a MongoDB server by sending a specific combination of parameters to the awaitable hello command in exhaust mode. The server's handling of this combination results in a response loop that bypasses normal throttling, allowing a...

CVE-2026-56444

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...

unbound: Unbound: Denial of Service via terminated DNS-over-QUIC queries

A flaw was found in Unbound, a Domain Name System DNS resolver. A remote attacker can exploit this vulnerability by sending and immediately terminating DNS-over-QUIC DoQ queries. This improper handling of terminated queries can lead to a build-up of pending responses, causing a degradation of...

CVE-2026-56444

CVE-2026-56444 affects NLnet Labs Unbound 1.20.0 through 1.25.1. When configured with serve-expired: yes and serve-expired-client-timeout > discard-timeout > 0, the discard-timeout branch in the serve-expired logic fails to decrement the counter for aged client replies, unlike other branche...

CVE-2026-56444 Degradation of resolution service when 'discard-timeout' and 'serve-expired-client-timeout' are combined in unusual configuration

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...

CVE-2026-56444 Degradation of resolution service when 'discard-timeout' and 'serve-expired-client-timeout' are combined in unusual configuration

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...

CVE-2026-56444

In NLnet Labs Unbound 1.20.0 up to and including 1.25.1, when Unbound is configured with 'serve-expired: yes' and 'serve-expired-client-timeout discard-timeout 0' contrary to the suggested values, the discard-timeout branch during the serve expired logic drops an aged client reply without...

CVE-2026-41637 Degradation of resolution service from improperly accounted client-terminated DNS-over-QUIC queries

In NLnet Labs Unbound 1.22.0 up to and including 1.25.1, client terminated DNS-over-QUIC DoQ queries are not accounted properly by Unbound resulting in low-cost inflation of the waiting number of replies for already in-flight resolution queries. This results in degradation of resolution service f...

PT-2026-63393

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions 1.20.0 through 1.25.1 Description An issue exists when the software is configured with serve-expired: yes and serve-expired-client-timeout is greater than discard-timeout where discard-timeout is greater than 0. In...

EUVD-2026-46404

Uncontrolled Resource Consumption CWE-400 in Elasticsearch can lead to denial of service via Excessive Allocation CAPEC-130. A user with search privileges can submit a specially crafted search request that causes a data node to exhaust available heap memory, resulting in node unavailability and...

CVE-2026-63136

Uncontrolled Resource Consumption CWE-400 in Elasticsearch can lead to denial of service via Excessive Allocation CAPEC-130. A user with search privileges can submit a specially crafted search request that causes a data node to exhaust available heap memory, resulting in node unavailability and...

PT-2026-62096

Name of the Vulnerable Software and Affected Versions Elasticsearch affected versions not specified Description Uncontrolled Resource Consumption in Elasticsearch can lead to a denial of service through excessive allocation. A user with search privileges can submit a specially crafted search...