golang.org/x/net/http/httpguts vulnerable to Uncontrolled Recursion

MITTEL 5.9CVE-2021-31525 · BIT-golang-2021-31525 · GHSA-h86h-8ppg-mxmh · Published 27/05/2021 · updated 17/06/2026

Kurz gesagt

CVE-2021-31525 ist eine Schwachstelle (MITTEL (CVSS 5.9)) in golang.org/x/net, stdlib, go (golang).
Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 3.7%, höher als bei 89.7% aller Schwachstellen.
Abhilfe: auf 0.0.0-20210428140749-89ef3d95e781, 1.16.4, 1.15.12 oder neuer aktualisieren.

Package	Affected versions	Patched versions
golang.org/x/net Go	`< 0.0.0-20210428140749-89ef3d95e781`	`0.0.0-20210428140749-89ef3d95e781`
stdlib Go	`≥ 1.16.0-0, < 1.16.4< 1.15.12`	`1.16.41.15.12`
go golang	`≥ 1.16.0, < 1.16.4< 1.15.12`	`1.16.41.15.12`

Description

golang.org/x/net/http/httpguts in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

NVD description

net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.