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CVE-2025-61724

Excessive CPU consumption in Reader.ReadResponse in net/textproto

Published: Oct 29, 2025Updated: Jan 29, 2026 Sources: CVE List NVD BDUCWE-770
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
0.5%
Top 61.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-770

Affected Products

gogolangOSS Libraries
net/textprotoGo standard library
Library
OSS Libraries / go
GoThe Go ProjectOSS Libraries
Аврора ЦентрООО "Открытая мобильная платформа"
On-prem
Operating Systems / mobile-os
golangoss-projectUSOSS Libraries
go standard libraryoss-projectUSOSS Librariesaka golang standard library, net/http, crypto/x509, html/template
the go projectoss-projectOSS Librariesaka go, golang-google-protobuf, crypto
ооо "открытая мобильная платформа"commercialRUOperating Systems

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://go.dev/cl/709859
go.dev
https://go.dev/issue/75716
go.dev
https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
groups.google.com
and 3 more references View all →

Timeline

Published
Oct 29, 2025
Last Updated
Jan 29, 2026

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