crypto-tls up to 1.25.8/1.26.1 on Go Update Message locking

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in crypto-tls up to 1.25.8/1.26.1 on Go. It has been rated as problematic. This vulnerability affects unknown code of the component Update Message Handler. The manipulation leads to locking. This vulnerability is referenced as CVE-2026-32283. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in crypto-tls up to 1.25.8/1.26.1 on Go. It has been rated as problematic. This issue affects an unknown function of the component Update Message Handler. The manipulation with an unknown input leads to a locking vulnerability. Using CWE to declare the problem leads to CWE-667. The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors. Impacted is availability. The summary by CVE is:

If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

The identification of this vulnerability is CVE-2026-32283 since 03/11/2026. The exploitation is known to be difficult. 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 305650 (Linux Distros Unpatched Vulnerability : CVE-2026-32283), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.25.9 or 1.26.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (305650) and CERT Bund (WID-SEC-2026-1006). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • Red Hat Ansible Automation Platform
  • Google Container-Optimized OS
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • SUSE Linux
  • Oracle Linux
  • Red Hat OpenShift
  • SUSE openSUSE
  • RESF Rocky Linux
  • Red Hat OpenStack
  • Microsoft Azure Linux
  • Golang Go
  • Open Source CoreDNS
  • IBM Business Automation Workflow
  • Open Source Fleet
  • Splunk Splunk Enterprise

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.2

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

ADP CISA Base Score: 7.5
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Locking
CWE: CWE-667
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 305650
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-32283

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: crypto-tls 1.25.9/1.26.2

Timelineinfo

03/11/2026 CVE reserved
04/08/2026 +27 days Advisory disclosed
04/08/2026 +0 days VulDB entry created
07/27/2026 +110 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2026-32283 (🔒)
GCVE (CVE): GCVE-0-2026-32283
GCVE (VulDB): GCVE-100-355985
CERT Bund: WID-SEC-2026-1006 - Golang Go: Mehrere Schwachstellen

Entryinfo

Created: 04/08/2026 07:46
Updated: 07/27/2026 08:07
Changes: 04/08/2026 07:46 (52), 04/09/2026 05:42 (7), 04/09/2026 08:45 (2), 04/29/2026 04:52 (1), 05/04/2026 01:49 (1), 06/02/2026 00:53 (1), 07/02/2026 04:06 (20), 07/17/2026 04:01 (1), 07/27/2026 08:07 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!