CVE-2026-43272

CVE-2026-43272 concerns the Linux kernel ring-buffer component. The root cause is an uninitialized pointer in rb_meta_validate_events(), which can be dereferenced during a reader-page validation failure, potentially causing a system crash or instability. The issue is fixed by initializing orig_he...

CVE-2026-43272 ring-buffer: Fix possible dereference of uninitialized pointer

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix possible dereference of uninitialized pointer There is a pointer headpage in rbmetavalidateevents which is not initialized at the beginning of a function. This pointer can be dereferenced if there is a failure...

PT-2026-37809

An issue was discovered in libxml2 before 2.11.7 and 2.12.x before 2.12.5. When using the XML Reader interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to an xmlValidatePopElement use-after-free...

PT-2026-38016

An issue was discovered in libxml2 before 2.11.7 and 2.12.x before 2.12.5. When using the XML Reader interface with DTD validation and XInclude expansion enabled, processing crafted XML documents can lead to an xmlValidatePopElement use-after-free...

PT-2026-37643

Name of the Vulnerable Software and Affected Versions Velociraptor versions prior to 0.76.4 Description A cross organization authorization bypass exists in the HTTP API. A user assigned the reader role in the root organization, which possesses only READ RESULTS permission, can perform an...

Linux Distros Unpatched Vulnerability : CVE-2026-42440

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: before 1.9.5 before 2.5.9 before 3.0.0-M3...

Inefficient Algorithmic Complexity

Overview Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the ResponseReader class. An attacker can exhaust the client's CPU by sending specially crafted IMAP responses containing many string literals, leading to significant performance degradation in...

net-imap has quadratic complexity when reading response literals

Summary Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are crafted to exhaust the client's CPU for a denial of service attack. Details For each literal in a response, ResponseReader...

Apache OpenNLP AbstractModelReader has an OOM Denial of Service via Unbounded Array Allocation

OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: Before 2.5.9 Before 3.0.0-M3 Description: The AbstractModelReader methods getOutcomes, getOutcomePatterns, and getPredicates each read a 32-bit signed integer count field from a binary...

GHSA-659W-93R5-9J6M Apache OpenNLP AbstractModelReader has an OOM Denial of Service via Unbounded Array Allocation

OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: Before 2.5.9 Before 3.0.0-M3 Description: The AbstractModelReader methods getOutcomes, getOutcomePatterns, and getPredicates each read a 32-bit signed integer count field from a binary...

DEBIAN-CVE-2026-42440

OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: before 1.9.5 before 2.5.9 before 3.0.0-M3 Description: The AbstractModelReader methods getOutcomes, getOutcomePatterns, and getPredicates each read a 32-bit signed integer count field...

CVE-2026-42440

OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: before 1.9.5 before 2.5.9 before 3.0.0-M3 Description: The AbstractModelReader methods getOutcomes, getOutcomePatterns, and getPredicates each read a 32-bit signed integer count field...

CVE-2026-42440 Apache OpenNLP: OOM DoS via Unbounded Array Allocation in AbstractModelReader

OOM Denial of Service via Unbounded Array Allocation in Apache OpenNLP AbstractModelReader Versions Affected: before 1.9.5 before 2.5.9 before 3.0.0-M3 Description: The AbstractModelReader methods getOutcomes, getOutcomePatterns, and getPredicates each read a 32-bit signed integer count field...

net-imap has quadratic complexity when reading response literals

Summary Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are crafted to exhaust the client's CPU for a denial of service attack. Details For each literal in a response, ResponseReader...

RHCOS 3 : OpenShift Container Platform 3.7 (RHSA-2018:1231)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1231 advisory. - source-to-image: Improper path sanitization in ExtractTarStreamFromTarReader in tar/tar.go CVE-2018-1102 Note that Nessus has not tested fo...

PT-2026-36986

Name of the Vulnerable Software and Affected Versions Net::IMAP affected versions not specified Description Net::IMAP::ResponseReader exhibits quadratic time complexity when processing large responses containing numerous string literals. A hostile server can send specially crafted responses that...

RHCOS 3 : OpenShift Container Platform 3.5 (RHSA-2018:1235)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1235 advisory. - source-to-image: Improper path sanitization in ExtractTarStreamFromTarReader in tar/tar.go CVE-2018-1102 Note that Nessus has not tested fo...

RHCOS 3 : OpenShift Container Platform 3.4 (RHSA-2018:1237)

The remote Red Hat Enterprise Linux CoreOS 3 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2018:1237 advisory. - source-to-image: Improper path sanitization in ExtractTarStreamFromTarReader in tar/tar.go CVE-2018-1102 Note that Nessus has not tested fo...

Linux Distros Unpatched Vulnerability : CVE-2026-42476

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Two heap-based out-of-bounds read vulnerabilities in the STL ASCII file parser in Open CASCADE Technology OCCT V800rc5 exist in RWStlReader::ReadAscii because...

PT-2026-36635

Name of the Vulnerable Software and Affected Versions Apache OpenNLP versions prior to 2.5.9 Apache OpenNLP versions prior to 3.0.0-M3 Description The DictionaryEntryPersistor class initializes a static SAXParserFactory without enabling FEATURE SECURE PROCESSING or disabling DTD processing. When...