CVE-2026-53794

rsync before 3.5.0 contains a logic error in --max-alloc handling that allows a sender or configuration setting --max-alloc=0 to disable allocation sanity checks entirely rather than enforcing a zero-byte cap. Attackers can exploit this flaw to cause the receiver to attempt unbounded memory...

OESA-2026-3391 coreutils security update

These are the GNU core utilities. This package is the combination of the old GNU fileutils, sh-utils, and textutils packages. Security Fixes: GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t...

OESA-2026-3389 coreutils security update

These are the GNU core utilities. This package is the combination of the old GNU fileutils, sh-utils, and textutils packages. Security Fixes: GNU coreutils unexpand is vulnerable to a heap-based buffer overflow due to an integer overflow during buffer allocation when processing large tab stop -t...

EUVD-2026-57919

Issue summary: When an OpenSSL QUIC server Listener SSL object processes valid QUIC Initial packets for unknown destination connection IDs, it can allocate and queue new incoming channels without enforcing any limit. Impact summary: A remote peer that can make many Initial packets reach the serve...

CVE-2026-14456 Unbounded Memory Growth in QUIC Server Incoming Channel Queue

Issue summary: When an OpenSSL QUIC server Listener SSL object processes valid QUIC Initial packets for unknown destination connection IDs, it can allocate and queue new incoming channels without enforcing any limit. Impact summary: A remote peer that can make many Initial packets reach the serve...

CVE-2026-14456

Issue summary: When an OpenSSL QUIC server Listener SSL object processes valid QUIC Initial packets for unknown destination connection IDs, it can allocate and queue new incoming channels without enforcing any limit. Impact summary: A remote peer that can make many Initial packets reach the serve...

CVE-2026-14677 PostgreSQL 32-bit pltcl and plperl undersize allocations, via integer wraparound

Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This may execute arbitrary code as the operating system user running the database. CVE-2026-6473 had fixe...

Kibana 9.3.8, 9.4.4 Security Update (ESA-2026-91)

Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service Description: Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. A user-supplied list of document fields accepted by t...

Kibana 8.19.20, 9.4.5 Security Update (ESA-2026-137)

Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to denial of service via Excessive Allocation CAPEC-130. A query expression accepted by a connector reporting operation was...

Elasticsearch 8.19.20, 9.4.5 Security Update (ESA-2026-76)

Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Service A flaw in Elasticsearch allows an authenticated user holding only read privileges to submit a small search request containing a crafted user-supplied input. Processing that input causes a specific...

Elasticsearch 8.19.20, 9.4.5, 9.5.1 Security Update (ESA-2026-79)

Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service A flaw in Elasticsearch allows a low-privileged authenticated user to submit a single small request containing a forged opaque identifier. Elasticsearch decodes and deserializes the identifier before...

Elasticsearch 8.19.20, 9.4.5, 9.5.1 Security Update (ESA-2026-120)

Memory Allocation with Excessive Size Value in Elasticsearch Highlighting Leading to Denial of Service Elasticsearch does not enforce an upper bound on a user-supplied count accepted by a search highlighting option, and the allocation derived from that count is not accounted against any circuit...

CVE-2026-73216

A flaw was found in coturn. An authenticated client can exploit a vulnerability in the shutdownclientconnection function, which prematurely releases bandwidth accounting during the first stage of closing a mobility-enabled allocation. This allows the client to bypass user and total quotas, leadin...

Denial Of Service (DoS)

Apache ActiveMQ is vulnerable to a Memory Allocation with Excessive Size Value vulnerability. The vulnerability is due to improper handling of non-terminating STOMP header bytes, which allows an unauthenticated attacker to send an excessive amount of header data over a STOMP NIO connection, causi...

CVE-2026-72645: Memory Allocation with Excessive Size Value

Memory Allocation with Excessive Size Value CWE-789 in Elasticsearch can lead to denial of service via Excessive Allocation CAPEC-130. An authenticated user holding only read privileges on a single index can submit one small, specially crafted search request that causes an excessively large memor...

PT-2026-71793

Name of the Vulnerable Software and Affected Versions Elasticsearch affected versions not specified Description An authenticated user with read privileges can trigger a denial of service by submitting a small search request containing crafted input. This input causes an internal component to...

PT-2026-71761

Name of the Vulnerable Software and Affected Versions Elasticsearch affected versions not specified Description An authenticated user with read privileges on a single index can trigger a denial of service by submitting a specially crafted search request. This action causes an excessively large...

CVE-2026-72667: Allocation of Resources Without Limits or Throttling

Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. A specially crafted request submitted by an authenticated user with minimal privileges to a validation capability of the Observability log analysis feature...

CVE-2026-56860: Inefficient Algorithmic Complexity

Previously, resolving relative paths containing parent directory '..' segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead. Now, path resolution operates on a byte buffer using index-based backtracking f...

CVE-2026-56862: Allocation of Resources Without Limits or Throttling

Handshake messages, such as KeyUpdate, are always considered as state-advancing, regardless of whether a handshake has been completed or not. As a result, a malicious client can keep sending KeyUpdate messages to force the server to keep performing key derivation operations indefinitely...