Unrated severityNVD Advisory· Published Oct 29, 2025· Updated Nov 4, 2025

Excessive CPU consumption in Reader.ReadResponse in net/textproto

CVE-2025-61724

Description

The Reader.ReadResponse function constructs a response string through repeated string concatenation of lines. When the number of lines in a response is large, this can cause excessive CPU consumption.

Affected products

Go standard library/net/textprotov5
Range: 0

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

go.dev/cl/709859mitre
go.dev/issue/75716mitre
groups.google.com/g/golang-announce/c/4Emdl2iQ_bImitre
pkg.go.dev/vuln/GO-2025-4015mitre

News mentions

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