CVE-2026-88822— QUIC 自动对等检测未初始化栈字节漏洞
一分钟漏洞结论
影响对象
OpenSSL OpenSSL
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
问题摘要： 在 QUIC 协议执行自动对等体检测时，可能导致未初始化的栈数据泄漏到接收到的地址中，该地址随后被用作发出数据包的目标地址。 影响摘要： 使用 QUIC 自动对等体检测机制的应用可能会收到无效地址，从而导致连接中断，并向观察出站网络流量的攻击者泄露未初始化的栈数据。 CWE： CWE-457（使用未初始化的变量） 详细描述： OpenSSL 的 QUIC 协议栈中包含一项功能：当使用已连接的套接字时，会在 SSL 握手过程中自动检测对等体地址。该功能调用 函数，并传入一个长度足以容纳任何受支持地址族的缓
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一、 漏洞 CVE-2026-88822 基础信息
漏洞信息
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Vulnerability Title
QUIC Uses Uninitialized Stack Bytes During Automated Peer Detection
来源: CVE Program / CVE List V5
Vulnerability Description
Issue summary: QUIC, when performing automated peer detection, may allow
uninitialized stack data to leak into the received address which is then used
as the destination for outgoing packets.
Impact summary: Applications using QUIC's automated peer detection mechanism
may receive an invalid address, leading to connection loss and disclosure of
uninitialized stack data to an attacker observing the outgoing network traffic.
CWE: CWE-457 (Use of Uninitialized Variable)
Description: The OpenSSL QUIC stack contains a feature in which, when using an
already connected socket, it will auto-detect the peer address during the SSL
handshake. This feature uses the getpeername() function, passing a buffer of
sufficient length to hold any supported address family, but passes a buffer
length that is only sized such that larger addresses, such as IPv6, cannot be
retrieved. The getpeername() function however, still returns the full address
length, which is accepted as the valid input buffer length, leading to the
address buffer containing uninitialized stack data instead of the actual peer
address. The invalid peer address is then used as destination for the outgoing
packets which leads to a connectivity breakage and a leakage of the
uninitialized stack data to passive network observers.
FIPS impact: no
The FIPS modules in 4.0, 3.6, 3.5, 3.4, and 3.0 are not affected by this CVE as
the affected protocol is not implemented in the FIPS module.
来源: CVE Program / CVE List V5
CVSS Information
N/A
来源: CVE Program / CVE List V5
Vulnerability Type
使用未经初始化的变量
来源: CVE Program / CVE List V5
受影响产品
二、漏洞 CVE-2026-88822 的公开POC
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CVE-2026-88822 厂商安全公告 (1)
-
🔗 https://openssl-library.org/news/secadv/20261110.txt vendor-advisory
CVE-2026-88822 其他参考 (3)
同批安全公告 · OpenSSL · 2026-11-10 · 共 5 条
| CVE-2026-107496 | OpenSSL CMS_encrypt() 无限循环漏洞 | |
| CVE-2026-95691 | QUIC 重传 CRYPTO 帧导致拒绝服务或信息泄露 | |
| CVE-2026-95692 | AES-GCM-SIV 越界读取及 IV 处理漏洞 | |
| CVE-2026-88823 | AES-GCM-SIV 零长度增量 AAD 更新后 AAD 伪造漏洞 |