Kibana 8.19.18, 9.3.6, 9.4.3 Security Update (ESA-2026-158)

Improper Limitation of a Pathname to a Restricted Directory in Kibana Leading to Unauthorized Deletion of Privileged Resources Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' CWE-22 in the Kibana Fleet feature can lead to the unauthorized deletion of privileged...

CVE-2026-84375 js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2 and 4.3.2, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge targets,...

CVE-2026-84375

js-yaml is a JavaScript YAML parser and dumper. From 3.0.0 until 3.15.2 and 4.3.2, maxTotalMergeKeys in lib/js-yaml/loader.js and lib/loader.js does not count empty mapping sources while processing the merge key . An attacker can alias a large sequence of empty mappings into many merge targets,...

CVE-2026-84310

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths becaus...

DEBIAN-CVE-2026-84310

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths becaus...

CVE-2026-73764

Vulnerabilities have been identified in the operating system of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. In some cases this could enable unauthorized modification of affected resources and limited disruption of...

CVE-2026-84310

A flaw was found in pypdf. A remote attacker could craft a malicious PDF document with specially designed outlines. Processing this document would cause the pypdf library to consume excessive processing time and memory, leading to a Denial of Service DoS condition. This vulnerability is due to a...

EUVD-2026-69634

An authentication vulnerability exists in the AOS-CX management interface and API that may allow improper authentication processing. An unauthenticated remote attacker could exploit this vulnerability under specific conditions to bypass authentication controls or exhaust system resources...

EUVD-2026-69628

Vulnerabilities have been identified in the operating system of AOS-CX switches that could potentially allow an unauthenticated remote actor to circumvent existing authentication controls. In some cases this could enable unauthorized modification of affected resources and limited disruption of...

Allocation of Resources Without Limits or Throttling

Overview tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling via parsemultipartformdata in tornado/httputil.py, where the maxparts limit...

CVE-2026-78592

Improper Limitation of a Pathname to a Restricted Directory 'Path Traversal' CWE-22 in Kibana can lead to the unauthorized deletion of privileged resources via Path Traversal CAPEC-126. A low-privileged user holding tag creation privileges could cause a subsequent administrative action in the tag...

CVE-2026-72682

Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. An authenticated user holding only low, read-level Agent Builder privileges could submit a specially crafted request that causes Kibana to consume an unbounde...

CVE-2026-72652

Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. An authenticated user can submit a specially crafted request that causes excessive resource consumption, which may render Kibana unavailable...

CVE-2026-33465

Allocation of Resources Without Limits or Throttling CWE-770 in Kibana can lead to a denial of service via Excessive Allocation CAPEC-130. An authenticated user with low-level permissions could submit a specially crafted request that causes excessive resource consumption, which may render Kibana...

EUVD-2026-69607

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/page.py PageObject.extracttext and PageObject.extractxformtext to traverse a directed acyclic graph of reused form XObjects in which each form invokes a child multiple times,...

CVE-2026-84310 pypdf: Possible long runtimes/large memory usage when retrieving outlines

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths becaus...

CVE-2026-84310

pypdf , a pure-Python PDF library, is vulnerable to denial-of-service via crafted PDFs. The vulnerable component is the _get_outline function in pypdf/_doc_common.py, which lacks global entry-count and nesting-depth limits during outline traversal. A malicious PDF with a large number of outline e...

CVE-2026-84310 pypdf: Possible long runtimes/large memory usage when retrieving outlines

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths becaus...

CVE-2026-84310 pypdf: Possible long runtimes/large memory usage when retrieving outlines

pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf/doccommon.py getoutline to consume long runtimes and large amounts of memory when retrieving document outlines with large numbers of entries or deeply nested reused paths becaus...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the HTTP/2 DATA frame receive buffer handling, where each received fragment incurs per-fragment tracking and queue allocation overhead even while staying within the configured...