CVE-2021-3507
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2021-3507
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap buffer overflow was found in the floppy disk emulator of QEMU up to 6.0.0 (including). It could occur in fdctrl_transfer_handler() in hw/block/fdc.c while processing DMA read data transfers from the floppy drive to the guest system. A privileged guest user could use this flaw to crash the QEMU process on the host resulting in DoS scenario, or potential information leakage from the host memory.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
QEMU 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU 6.0.0版本及之前版本存在缓冲区错误漏洞，该漏洞源于软盘模拟器中发现堆缓冲区溢出。
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 |
|---|---|---|---|---|
| - | QEMU | up to 6.0.0 (including) | - |
II. Public POCs for CVE-2021-3507
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-3507
请登录查看更多情报信息。
- https://security.netapp.com/advisory/ntap-20210528-0005/x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=1951118x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-3507
Same Patch Batch · n/a · 2021-05-06 · 54 CVEs total
| CVE-2021-32052 | Django 跨站脚本漏洞 | |
| CVE-2020-23264 | forkcms 跨站请求伪造漏洞 | |
| CVE-2021-28665 | Stormshield Network Security 资源管理错误漏洞 | |
| CVE-2021-27941 | IFTTT eWeLink 安全漏洞 | |
| CVE-2021-29203 | HP Edgeline Infrastructure Management 访问控制错误漏洞 | |
| CVE-2021-31737 | Emlog 代码问题漏洞 | |
| CVE-2020-23263 | Fork CMS 跨站脚本漏洞 | |
| CVE-2019-25043 | ModSecurity 安全漏洞 | |
| CVE-2021-31918 | tripleo-ansible 信息泄露漏洞 | |
| CVE-2021-31916 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2021-31793 | Night Owl WDB-20-V2 访问控制错误漏洞 | |
| CVE-2021-31829 | Linux kernel 安全漏洞 | |
| CVE-2021-28149 | Hongdian H8922 路径遍历漏洞 | |
| CVE-2021-28150 | Hongdian H8922 输入验证错误漏洞 | |
| CVE-2021-28152 | Hongdian H8922 授权问题漏洞 | |
| CVE-2021-28151 | Hongdian H8922 操作系统命令注入漏洞 | |
| CVE-2021-32030 | ASUS GT-AC2900 授权问题漏洞 | |
| CVE-2021-20204 | Homebrew Formulae libgetdata 缓冲区错误漏洞 | |
| CVE-2020-35519 | Linux kernel 缓冲区错误漏洞 | |
| CVE-2021-28128 | Strapi 授权问题漏洞 |
Showing top 20 of 54 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
Same weakness: CWE-119
- CVE-2026-22167
GPU DDK - Cache resident PM buffers writable by other GPU re - CVE-2026-27890
Firebird has Pre-Auth DOS when Processing Out of Order CNCT_ - CVE-2026-34864
Huawei HarmonyOS 安全漏洞 - CVE-2026-4149
Sonos Era 300 SMB Response Out-Of-Bounds Access Remote Code - CVE-2026-34988
Wasmtime leaks data between pooling allocator instances
V. Comments for CVE-2021-3507
No comments yet