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Red Hat CVE-2019-15690

HIGH
Heap-based Buffer Overflow (CWE-122)
2025-01-24 vulnerability@kaspersky.com
Heap Overflow Buffer Overflow RCE Red Hat Suse
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SUSE
HIGH
qualitative
Red Hat
9.8 HIGH
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:05 vuln.today
CVE Published
Jan 24, 2025 - 18:15 nvd
HIGH 8.8

DescriptionCVE.org

LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c. An attacker sends cursor shapes with specially crafted dimensions, which can result in remote code execution.

AnalysisAI

LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-122. LibVNCServer 0.9.12 release and earlier contains heap buffer overflow vulnerability within the HandleCursorShape() function in libvncclient/cursor.c. An attacker sends cursor shapes with specially crafted dimensions, which can result in remote code execution.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Same weakness CWE-122 – Heap-based Buffer Overflow

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Same technique Heap Overflow

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CVE-2025-5419 HIGH POC
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CVE-2025-21418 HIGH
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CVE-2023-6246 HIGH POC
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CVE-2014-0781 CRITICAL POC
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CVE-2024-30085 HIGH POC
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CVE-2024-30038 HIGH POC
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Vendor StatusVendor

SUSE

Severity: High
Product Status
SUSE Enterprise Storage 5 Fixed
SUSE Liberty Linux 7 Fixed
SUSE Liberty Linux 8 Fixed
SUSE Linux Enterprise Desktop 12 SP4 SUSE Linux Enterprise Software Development Kit 12 SP4 Fixed
SUSE Linux Enterprise Desktop 15 SP1 SUSE Linux Enterprise Server 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Workstation Extension 15 SP1 Fixed

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CVE-2019-15690 vulnerability details – vuln.today
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