CVE-2026-56852

highpriority · track · 10EPSS 0.005 · 41 %ileexploit · PoCDEEUFRUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.47% (41st) EPSS

CVSS 7.5 · high

Is it mine?

9 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · osv

EPSS · scored 2026-10-27

A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 3.9 · impact 3.6

v3.17.1highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835US

exploits (1)

Public proof-of-concept and weaponised exploit code.

katekeiroz-dev/golang-x-textgolang.org/x/text v0.33.0 backport of CVE-2026-56852 (GO-2026-5970) for Go 1.24PoC · poc_in_github

affected products (9)

Products and version ranges known to be affected.

Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
Red Hat Enterprise Linux 8all versionscert_bundDEcpe:/o:redhat:enterprise_linux:8
Red Hat Enterprise Linux Advanced Cluster Management for Kubernetesall versionscert_bundDEcpe:/o:redhat:enterprise_linux:advanced_cluster_management_for_kubernetes
Red Hat Enterprise Linux Migration Toolkit for Applicationsall versionscert_bundDEcpe:/o:redhat:enterprise_linux:migration_toolkit_for_applications_6.2.0
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
golang.org/x/text golang.org/x/text/unicode/norm0 → 0.39.0enisa_euvdEU
Go golang.org/x/text< 0.39.0osvUSpkg:golang/golang.org/x/text

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3481Red Hat Enterprise Linux (golang.org/x/text): Schwachstelle ermöglicht Denial of ServiceDeutsch2026-09-20csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Red Hat Enterprise Linux ausnutzen, um einen Denial of Service Angriff durchzuführen.
CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
GO-2026-5970Infinite loop on invalid input in golang.org/x/text2026-07-14vendor · osvUS
A norm.Iter can enter an infinite loop when handling input containing invalid UTF-8 bytes.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund osv certfr NVD CVE.org MITRE

published 2026-07-21modified 2026-10-24

references (9)

External citations — patches, advisories, analysis.

scry

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