【中危】crypto：拒绝服务风险（GHSA-qpw4-5x99-6vjp）

安全情报快照 · 风险级别：中危 · CVSS：6.5 · CVE-2026-39827 · GHSA-qpw4-5x99-6vjp

先看结论

crypto存在拒绝服务风险，< 0.52.0 受影响，建议升级至 0.52.0。

影响范围

生态	组件	受影响版本	首个修复版本
go	`golang.org/x/crypto`	< 0.52.0	0.52.0

处置建议

优先将 golang.org/x/crypto 升级至 0.52.0 或更高版本；升级前请结合业务依赖完成兼容性验证。

上游技术详情（原文）

An authenticated SSH client that repeatedly opened channels which were rejected by the server caused unbounded memory growth, eventually crashing the server process and affecting all connected users. Rejected channels are now properly removed from the connection's internal state and released for garbage collection.

来源与许可

GitHub Advisory GHSA-qpw4-5x99-6vjp
https://nvd.nist.gov/vuln/detail/CVE-2026-39827
https://go.dev/cl/781320
https://go.dev/issue/35127
https://groups.google.com/g/golang-announce/c/a082jnz-LvI
https://pkg.go.dev/vuln/GO-2026-5016

本页自动同步 GitHub Advisory Database 的公开数据，并保留上游原文供核验；不宣称原创分析。数据许可：CC-BY-4.0。