gRPC-Go prior 1.82.2/1.83.2 xDS Routing Interceptor out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in gRPC-Go. Impacted is an unknown function of the component xDS Routing Interceptor. The manipulation leads to out-of-bounds. This vulnerability is traded as CVE-2026-84445. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in gRPC-Go and classified as problematic. This issue affects an unknown functionality of the component xDS Routing Interceptor. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is availability.

The identification of this vulnerability is CVE-2026-84445. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 345841 (SUSE SLES15 Security Update : azure-storage-azcopy (SUSE-SU-2026:4125-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.82.2 or 1.83.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (345841) and CERT Bund (WID-SEC-2026-3605). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Red Hat Enterprise Linux

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 345841
Nessus Name: SUSE SLES15 Security Update : azure-storage-azcopy (SUSE-SU-2026:4125-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: gRPC-Go 1.82.2/1.83.2

Timelineinfo

09/09/2026 Advisory disclosed
09/09/2026 +0 days VulDB entry created
10/01/2026 +22 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2026-84445 (🔒)
GCVE (CVE): GCVE-0-2026-84445
GCVE (VulDB): GCVE-100-401549
CERT Bund: WID-SEC-2026-3605 - Red Hat Enterprise Linux (rhc): Schwachstelle ermöglicht Denial of Service

Entryinfo

Created: 09/09/2026 06:54
Updated: 10/01/2026 09:23
Changes: 09/09/2026 06:54 (48), 09/15/2026 17:31 (2), 10/01/2026 09:23 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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