CVE-2026-27781— kernel_liteos_a has an integer overflow vulnerability
Possible ATT&CK Techniques 1AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| OpenHarmony | OpenHarmony | v5.0.3≤ v6.0 | affected |
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I. Basic Information for CVE-2026-27781
Vulnerability Information
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Vulnerability Title
kernel_liteos_a has an integer overflow vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
in OpenHarmony v6.0 and prior versions allow a local attacker cause DOS.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenHarmony 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenHarmony是中国开放原子（OpenAtom）基金会的一种鸿蒙操作系统的开源项目。 OpenHarmony 6.0及之前版本存在输入验证错误漏洞，攻击者利用该漏洞可以造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| OpenHarmony | OpenHarmony | v5.0.3 ~ v6.0 | - |
II. Public POCs for CVE-2026-27781
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · OpenHarmony · 2026-05-19 · 10 CVEs total
| CVE-2026-27648 | 8.8 HIGH | web_webview has an out-of-bounds write vulnerability |
| CVE-2026-25781 | 8.4 HIGH | kernel_liteos_a has an out-of-bounds write vulnerability |
| CVE-2026-24792 | 8.1 HIGH | web_webview has a Race Condition vulnerability |
| CVE-2026-28733 | 6.5 MEDIUM | filemanagement_storage_service has an use after free vulnerability |
| CVE-2026-25850 | 5.5 MEDIUM | filemanagement_storage_service has an improper preservation of permissions vulnerability |
| CVE-2026-27766 | 5.5 MEDIUM | multimedia_audio_framework has a Race Condition vulnerability |
| CVE-2026-25110 | 3.3 LOW | Sensors_medical_sensor has a NULL pointer dereference vulnerability |
| CVE-2026-28751 | 3.3 LOW | filemanagement_storage_service has an improper input validation vulnerability |
| CVE-2026-33565 | 3.3 LOW | kernel_linux_common_modules has a Race Condition vulnerability |
IV. Related Vulnerabilities
Same product: OpenHarmony
- CVE-2026-33565
kernel_linux_common_modules has a Race Condition vulnerabili - CVE-2026-28733
filemanagement_storage_service has an use after free vulnera - CVE-2026-27766
multimedia_audio_framework has a Race Condition vulnerabilit - CVE-2026-25850
filemanagement_storage_service has an improper preservation - CVE-2026-25781
kernel_liteos_a has an out-of-bounds write vulnerability
Same vendor: OpenHarmony
- CVE-2026-33565
kernel_linux_common_modules has a Race Condition vulnerabili - CVE-2026-28733
filemanagement_storage_service has an use after free vulnera - CVE-2026-27766
multimedia_audio_framework has a Race Condition vulnerabilit - CVE-2026-25850
filemanagement_storage_service has an improper preservation - CVE-2026-25781
kernel_liteos_a has an out-of-bounds write vulnerability
Same weakness: CWE-190
- CVE-2026-24214
NVIDIA Triton Inference Server DALI后端整数溢出漏洞 - CVE-2026-24210
NVIDIA Triton Inference Server 整数溢出致拒绝服务 - CVE-2026-43618
Rsync < 3.4.3 Integer Overflow Information Disclosure - CVE-2026-33642
Kitty has a Heap Buffer Over-Read/Write via Integer Overflow - CVE-2026-32849
NetBSD Signed Integer Overflow in cryptodev_op via cryptodev
V. Comments for CVE-2026-27781
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