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CVE-2026-112709

Fireware OS Heap Buffer Overflow in AD Authentication Service Allows Pre-Authentication Remote Code Execution

A heap-based buffer overflow vulnerability in the Fireware OS authentication service allows an attacker who controls or intercepts traffic to the configured Active Directory server to create a denial of service condition and potentially execute arbitrary code by returning a specially crafted response.

CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
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CVE-2026-109090

libXi XGetDeviceControl DEVICE_ENABLE Heap Buffer Overflow

A malicious X server could cause a heap overflow by injecting a large DEVICE_ENABLE reply when processed by libXi before 1.8.4.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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CVE-2026-109089

libXi XGetDeviceControl Control Type Mismatch Heap Buffer Overflow

A buffer overflow when handling DEVICE_RESOLUTION in libXi before 1.8.4 could overflow a heap, triggered by a malicious X server.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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CVE-2024-21886

Xorg-x11-server: heap buffer overflow in disabledevice

A heap buffer overflow flaw was found in the DisableDevice function in the X.Org server. This issue may lead to an application crash or, in some circumstances, remote code execution in SSH X11 forwarding environments.

CVSS 3.1 · 7.8 High EPSS 1.4% KEV · Not listed
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CVE-2024-21885

Xorg-x11-server: heap buffer overflow in xisenddevicehierarchyevent

A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remote code execution in SSH X11 forwarding environments.

CVSS 3.1 · 7.8 High EPSS 1.4% KEV · Not listed
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CVE-2024-12084

Rsync: heap buffer overflow in rsync due to improper checksum length handling

A heap-based buffer overflow flaw was found in the rsync daemon. This issue is due to improper handling of attacker-controlled checksum lengths (s2length) in the code. When MAX_DIGEST_LEN exceeds the fixed SUM_LENGTH (16 bytes), an attacker can write out of bounds in the sum2 buffer.

CVSS 3.1 · 9.8 Critical EPSS 72.5% KEV · Not listed
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CVE-2026-121964

FreeRDP before 3.32.2 Heap Buffer Overflow via rpc_client_recv_fragment

FreeRDP before 3.32.2 contains a heap-based buffer overflow in the RD Gateway RPC client, where rpc_client_recv_fragment writes BIND_ACK and ALTER_CONTEXT_RESP fragments into a persistent PDU stream after checking only total capacity rather than remaining capacity from the current stream position. A malicious or compromised RD Gateway can send crafted RPC fragments with manipulated alloc_hint and frag_length values to overwrite client heap memory with attacker-controlled data, causing a crash or potentially arbitrary code execution.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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CVE-2026-76937

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 10-00 before 13-50-31.

CVSS 3.1 · 9.4 Critical EPSS < 1% KEV · Not listed
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CVE-2026-77779

Improper access control vulnerability

ManageEngine Key Manager Plus versions before 7151 were vulnerable to an Improper Access Control vulnerability that allowed authenticated low-privilege users to export keys outside their authorized scope.

CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
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CVE-2026-86576

Heap-based Buffer Overflow Vulnerability in JP1 Products

Heap-based Buffer Overflow Vulnerability in JP1 Products. This issue affects JP1/Integrated Management 3 - Manager: from 13-00 before 13-50-31; JP1/Automatic Job Management System 3 - Manager: from 13-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 13-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent Minimal Edition: from 13-00 before 13-50-31; JP1/Base: from 11-00 before 12-50-54.

CVE-2026-86574

Heap-based Buffer Overflow Vulnerability in JP1/Base

Heap-based Buffer Overflow Vulnerability in JP1/Base. This issue affects JP1/Base: from 11-00 before 12-50-54.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2026-82120

Heap-based Buffer Overflow Vulnerability in HiRDB

Heap-based Buffer Overflow Vulnerability in HiRDB. This issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-00 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-00 through 09-66/V; HiRDB Server Version 9(32): from 09-02 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-00 through 09-66-/V.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2026-76939

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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CVE-2026-76933

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3

Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.

CVE-2026-121086

chromium-browser: Buffer overflow in Skia

Buffer overflow in Skia in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
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CVE-2026-112638

A heap buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An attacker in radio range may be able to cause unexpected system termination.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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CVE-2026-121156

chromium-browser: Buffer overflow in Dawn

Buffer overflow in Dawn in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
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CVE-2026-121180

chromium-browser: Buffer overflow in Media

Buffer overflow in Media in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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CVE-2026-121247

chromium-browser: Buffer overflow in Dawn

Buffer overflow in Dawn in Google Chrome on on Android prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
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