open-telemetry opentelemetry-go 1.41.0/1.43.0 memory allocation

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k1.57

Summaryinfo

A vulnerability, which was classified as problematic, was found in open-telemetry opentelemetry-go 1.41.0/1.43.0. Impacted is an unknown function. Such manipulation leads to memory allocation. This vulnerability is traded as CVE-2026-41178. The attack may be launched remotely. There is no exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in open-telemetry opentelemetry-go 1.41.0/1.43.0 and classified as problematic. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability. CVE summarizes:

OpenTelemetry-Go is the Go implementation of OpenTelemetry. Versions 1.41.0 and 1.43.0 removed raw-length rejection and it causes `Parse` to process arbitrarily large/invalid baggage headers and log errors, enabling DoS via oversized inputs. Versions 1.42.0 and 1.44.0 fix the issue.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-41178 since 04/17/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 318810 (Linux Distros Unpatched Vulnerability : CVE-2026-41178), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (318810). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

CNA Base Score: 5.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

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

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / 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: 318810
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-41178

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: github.com

Timelineinfo

04/17/2026 CVE reserved
06/04/2026 +48 days Advisory disclosed
06/04/2026 +0 days VulDB entry created
06/06/2026 +2 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-5wrp-cwcj-q835
Status: Confirmed

CVE: CVE-2026-41178 (🔒)
GCVE (CVE): GCVE-0-2026-41178
GCVE (VulDB): GCVE-100-368384

Entryinfo

Created: 06/04/2026 19:57
Updated: 06/06/2026 02:17
Changes: 06/04/2026 19:57 (64), 06/06/2026 02:17 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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