CVE-2025-61724

Excessive CPU consumption in Reader.ReadResponse in net/textproto

Published Oct 29, 2025 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Golang go
Weaknesses CWE-770
CPEs cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*
Vendors & Products Golang go
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Golang
Golang net
Vendors & Products Golang
Golang net
Type Values Removed Values Added
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.
Title Excessive CPU consumption in Reader.ReadResponse in net/textproto
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Go
Published
Updated
Nov 4, 2025, 9:14 PM
Reserved
Sep 30, 2025, 3:05 PM
Status
Analyzed
Published
Oct 29, 2025, 11:16 PM
Modified
Oct 8, 2026, 10:10 AM
Severity
Moderate
Public date
Oct 29, 2025, 10:10 PM