x-crypto GSSAPI Authentication Request Parser improper validation of specified quantity in input

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in x-crypto and classified as problematic. Affected is an unknown function of the component GSSAPI Authentication Request Parser. The manipulation leads to improper validation of specified quantity in input. This vulnerability is referenced as CVE-2025-58181. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in x-crypto (the affected version unknown). It has been rated as problematic. This issue affects an unknown part of the component GSSAPI Authentication Request Parser. The manipulation with an unknown input leads to a improper validation of specified quantity in input vulnerability. Using CWE to declare the problem leads to CWE-1284. The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties. Impacted is availability. The summary by CVE is:

SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.

It is possible to read the advisory at groups.google.com. The identification of this vulnerability is CVE-2025-58181 since 08/27/2025. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 279664 (openSUSE 16 Security Update : cheat (openSUSE-SU-2025:20177-1)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (279664) and CERT Bund (WID-SEC-2025-2645). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Amazon Linux 2
  • SUSE Linux
  • SUSE openSUSE
  • IBM MQ
  • Golang Go

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

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

CVSSv2info

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

Exploitinginfo

Class: Improper validation of specified quantity in input
CWE: CWE-1284 / CWE-703
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: 279664
Nessus Name: openSUSE 16 Security Update : cheat (openSUSE-SU-2025:20177-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/27/2025 CVE reserved
11/20/2025 +85 days Advisory disclosed
11/20/2025 +0 days VulDB entry created
01/06/2026 +47 days VulDB entry last update

Sourcesinfo

Advisory: groups.google.com
Status: Not defined

CVE: CVE-2025-58181 (🔒)
GCVE (CVE): GCVE-0-2025-58181
GCVE (VulDB): GCVE-100-333035
CERT Bund: WID-SEC-2025-2645 - Golang Go: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 11/20/2025 03:09
Updated: 01/06/2026 19:16
Changes: 11/20/2025 03:09 (49), 11/21/2025 04:44 (7), 12/11/2025 11:18 (1), 12/25/2025 07:32 (2), 01/06/2026 19:16 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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