CVE-2026-1788— Buffer Overflow in Xquic Server
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-1788
Vulnerability Information
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Vulnerability Title
Buffer Overflow in Xquic Server
Source: CVE Program / CVE List V5
Vulnerability Description
: Out-of-bounds Write vulnerability in Xquic Project Xquic Server xquic on Linux (QUIC protocol implementation, packet processing module modules) allows : Buffer Manipulation.This issue affects Xquic Server: through 1.8.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:Y/R:U/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
XQUIC 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XQUIC是Alibaba开源的一个QUIC和HTTP/3协议的跨平台实现代码库。 XQUIC 1.8.3及之前版本存在安全漏洞，该漏洞源于Linux上的QUIC协议实现存在越界写入，可能导致缓冲区操作。
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 |
|---|---|---|---|---|
| Xquic Project | Xquic Server | 0 ~ 1.8.3 | - |
II. Public POCs for CVE-2026-1788
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same weakness: CWE-787
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V. Comments for CVE-2026-1788
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