CVE-2026-1991— libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference
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I. Basic Information for CVE-2026-1991
Vulnerability Information
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Vulnerability Title
libuvc UVC Descriptor device.c uvc_scan_streaming null pointer dereference
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was detected in libuvc up to 0.0.7. Affected is the function uvc_scan_streaming of the file src/device.c of the component UVC Descriptor Handler. The manipulation results in null pointer dereference. The attack needs to be approached locally. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
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
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
libuvc 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
libuvc是libuvc开源的一个用于USB视频设备的跨平台库。 libuvc 0.0.7及之前版本存在代码问题漏洞，该漏洞源于UVC Descriptor Handler组件中src/device.c文件的uvc_scan_streaming函数存在缺陷，可能导致空指针取消引用。
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 |
|---|---|---|---|---|
| - | libuvc | 0.0.1 | - |
II. Public POCs for CVE-2026-1991
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · n/a · 2026-02-06 · 10 CVEs total
| CVE-2026-2062 | 5.3 MEDIUM | Open5GS PGW S5U Address sgwc_sxa_handle_session_modification_response null pointer derefer |
| CVE-2026-1979 | 5.3 MEDIUM | mruby JMPNOT-to-JMPIF Optimization vm.c mrb_vm_exec use after free |
| CVE-2026-1976 | 5.3 MEDIUM | Free5GC SMF SessionDeletionResponse null pointer dereference |
| CVE-2026-1975 | 5.3 MEDIUM | Free5GC pfcp_reports.go identityTriggerType null pointer dereference |
| CVE-2026-1974 | 5.3 MEDIUM | Free5GC SMF datapath.go ResolveNodeIdToIp denial of service |
| CVE-2026-1973 | 5.3 MEDIUM | Free5GC SMF establishPfcpSession null pointer dereference |
| CVE-2026-1998 | 3.3 LOW | micropython runtime.c mp_import_all memory corruption |
| CVE-2026-1990 | 3.3 LOW | oatpp Type.hpp ObjectWrapper null pointer dereference |
| CVE-2025-70963 | GoPhish 安全漏洞 |
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Same vendor: n/a
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Same weakness: CWE-476
- CVE-2026-8252
Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer - CVE-2026-7259
Null pointer dereference in php_mb_check_encoding() via mb_e - CVE-2026-7262
NULL pointer dereference in SOAP apache:Map decoder with mis - CVE-2026-42183
Argo Workflows: SSO RBAC Delegation Nil Pointer Dereference - CVE-2026-6666
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V. Comments for CVE-2026-1991
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