Monero up to 0.18.3.4 allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability has been found in Monero up to 0.18.3.4 and classified as critical. This affects an unknown part. Performing a manipulation results in allocation of resources. This vulnerability is known as CVE-2025-26819. Remote exploitation of the attack is possible. No exploit is available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Monero up to 0.18.3.4. It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a allocation of resources vulnerability. CWE is classifying the issue as CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. This is going to have an impact on availability. The summary by CVE is:

Monero through 0.18.3.4 before ec74ff4 does not have response limits on HTTP server connections.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-26819 since 02/14/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 231945 (Linux Distros Unpatched Vulnerability : CVE-2025-26819), which helps to determine the existence of the flaw in a target environment.

Applying the patch ec74ff4a3d3ca38b7912af680209a45fd1701c3d is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (231945) and EUVD (EUVD-2025-4247). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 8.6
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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: 231945
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-26819

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ec74ff4a3d3ca38b7912af680209a45fd1701c3d

Timelineinfo

02/14/2025 🔍
02/15/2025 +1 days 🔍
02/15/2025 +0 days 🔍
10/01/2025 +227 days 🔍

Sourcesinfo

Advisory: ec74ff4a3d3ca38b7912af680209a45fd1701c3d
Status: Confirmed

CVE: CVE-2025-26819 (🔍)
GCVE (CVE): GCVE-0-2025-26819
GCVE (VulDB): GCVE-100-295935
EUVD: 🔍

Entryinfo

Created: 02/15/2025 09:44
Updated: 10/01/2025 00:20
Changes: 02/15/2025 09:44 (63), 03/07/2025 19:29 (2), 05/31/2025 13:23 (1), 10/01/2025 00:20 (12)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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