CVE-2025-58186
Lack of limit when parsing cookies can cause memory exhaustion in net/http
Published: Oct 29, 2025Updated: Nov 4, 2025 Sources: CVE List NVD BDU
Description
Despite HTTP headers having a default limit of 1MB, the number of cookies that can be parsed does not have a limit. By sending a lot of very small cookies such as "a=;", an attacker can make an HTTP server allocate a large amount of structs, causing large memory consumption.
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:LAvailabilityLow
Affected Products
The Go Project
oss-projectaka go, golang-google-protobuf, crypto
ООО "Открытая мобильная платформа"
commercial·RU
Go standard library
oss-project·USaka html/template, net/http, crypto/x509, golang standard library
Exploitability
Official Patch Available
References
https://github.com/zabbix/zabbix/blob/master/src/go/go.mod
github.com
https://pkg.go.dev/vuln/GO-2025-4012
pkg.go.dev
https://go.dev/issue/75672
go.dev
and 4 more references View all →
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