PT-2026-54854

Name of the Vulnerable Software and Affected Versions ImageMagick versions prior to 6.9.13-51 ImageMagick versions prior to 7.1.2-26 Description A missing depth check in the MVG decoder can lead to a stack overflow when the software processes a specially crafted image. A stack overflow occurs whe...

ALSA-2026:34156 Moderate: rrdtool security update

The round robin database RRD system stores and displays time-series data, such as network bandwidth, machine-room temperature, and server load average. RRDtool is a high performance data logging and graphing utility, which can be easily integrated with shell scripts, or used to create application...

PT-2026-54487

Name of the Vulnerable Software and Affected Versions UltraVNC viewer versions prior to 1.8.2.3 Description An off-by-one stack buffer overflow exists in the RFB ServerInit message handler within the vncviewer/ClientConnection.cpp file. When a server-supplied nameLength is exactly 2024, the...

Moderate: rrdtool security update

The round robin database RRD system stores and displays time-series data, such as network bandwidth, machine-room temperature, and server load average. RRDtool is a high performance data logging and graphing utility, which can be easily integrated with shell scripts, or used to create application...

Moderate: rrdtool security update

The round robin database RRD system stores and displays time-series data, such as network bandwidth, machine-room temperature, and server load average. RRDtool is a high performance data logging and graphing utility, which can be easily integrated with shell scripts, or used to create application...

rrdtool security update

1.7.0-17 - Fixed stack buffer overflow in rrdcached and added more security checks Resolves: RHEL-173259...

AlmaLinux 10 : rrdtool (ALSA-2026:33731)

The remote AlmaLinux 10 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:33731 advisory. rrdtool: Stack buffer overflow in rrdcached handlerequestcreate allows local privilege escalation via unbounded DS/RRA arguments CVE-2026-43958 Tenable has...

RHEL 9 : rrdtool (RHSA-2026:34156)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:34156 advisory. The round robin database RRD system stores and displays time-series data, such as network bandwidth, machine-room temperature, and server load...

BIT-ENVOY-2026-48042 Envoy: Stack overflow in destructor of highly nested JSON

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.35.11, 1.36.7, 1.37.3, and 1.38.1, destructor of JSON Object results in stack overflow when deeply O100K nested objects are present. This vulnerability is fixed in 1.35.11, 1.36.7, 1.37.3, and 1.38.1...

CVE-2026-54592 Oj: Stack Buffer Overflow in Oj::Doc#each_child via Deeply Nested Input

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj::Doceachchild, when invoked recursively over a deeply nested JSON document, overflows a fixed-size stack buffer and aborts the process, leading to DoS. In a two-step chain in...

CVE-2026-54592

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj::Doceachchild, when invoked recursively over a deeply nested JSON document, overflows a fixed-size stack buffer and aborts the process, leading to DoS. In a two-step chain in...

CVE-2026-54592 Oj: Stack Buffer Overflow in Oj::Doc#each_child via Deeply Nested Input

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.3, Oj::Doceachchild, when invoked recursively over a deeply nested JSON document, overflows a fixed-size stack buffer and aborts the process, leading to DoS. In a two-step chain in...

CVE-2026-54592

The CVE-2026-54592 vulnerability affects Oj (Optimized JSON), a Ruby gem JSON parser/marshaller. In versions prior to 3.17.3, Oj::Doc#each_child can overflow a fixed-size stack buffer when recursively traversing deeply nested JSON, causing a DoS. The issue arises from a two-step chain in ext/oj/f...

CVE-2026-54502 Oj: Stack Buffer Overflow in Oj.dump via Large Indent

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, Oj.dump is vulnerable to a stack-based buffer overflow when a large :indent value is provided by the developer. fillindent in dump.h calls memsetindentstr, ' ', sizetopts-indent without...

CVE-2026-54502

Oj Optimized JSON is a JSON parser and Object marshaller packaged as a Ruby gem. In versions prior to 3.17.2, Oj.dump is vulnerable to a stack-based buffer overflow when a large :indent value is provided by the developer. fillindent in dump.h calls memsetindentstr, ' ', sizetopts-indent without...

CVE-2026-54502

Oj (Optimized JSON) is a Ruby gem that provides a JSON parser and object marshaller. Vulnerability: in versions prior to 3.17.2, Oj.dump can trigger a stack-based buffer overflow when a very large indent value is used. The root cause is fill_indent in dump.h calling memset(indent_str, ' ', (size_...

rrdtool: rrdtool: Stack buffer overflow allows local code execution or denial of service

A flaw was found in rrdcached, a component of rrdtool. A local attacker with access to a rrdcached socket can exploit a stack-based buffer overflow by sending an oversized CREATE request. This vulnerability can lead to a denial of service by crashing the daemon or potentially allow for arbitrary...

CVE-2026-13573

A flaw was found in llvm. A local attacker could exploit a stack-based buffer overflow vulnerability in the llvm::StringMap::insert function. This manipulation could lead to a denial of service, making the affected system or application unavailable. Mitigation Mitigation for this issue is either...

CVE-2026-49451

The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model. From 2.0.0-preview11 until 2.7.5 and 3.5.4, a small OpenAPI document containing a circular schema reference can cause proce...

CVE-2026-49451 Microsoft.OpenAPI: Circular schema references may terminate OpenAPI parsing

The OpenAPI.NET SDK contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model. From 2.0.0-preview11 until 2.7.5 and 3.5.4, a small OpenAPI document containing a circular schema reference can cause proce...