英镑兑美元下跌0.5%至1.3382，创10月14日以来最大跌幅

yun2025

英镑兑美元下跌0.5%至1.3382，创10月14日以来最大跌幅

Rustls：TLS握手未严格检查切换密钥时的记录边界

11月8日公开的漏洞记录CVE-2026-123613涉及Rustls。协议在握手过程中会切换用于保护消息的密钥，前后两段数据应落在相应的记录中。实现未充分检查这一边界，导致本应在加密状态下接收的扩展消息有机会以明文进入处理流程。公告所述路径涉及通信对端或位于传输路径上的参与者。版本清单标出的受影响范围包括0.23.13起至0.23.45之前。记录另将0.23.45列为不受影响的版本。

这条记录给出的CVSS 3.1基础评分为5.3分，分级为中危。按照评分列出的条件，利用者可通过网络接触相关功能，不以事先取得系统权限为必要条件，并且无需另一名用户进行额外交互。数据保密性、内容完整性和服务可用性三项的影响等级分别为低、无、无。评分把利用复杂度列为较低，所反映的是触发这一缺陷需要满足的技术条件。

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