Improper Handling of Highly Compressed Data (CWE-409) in APM Server can lead to a persistent denial of service via Excessive Allocation (CAPEC-130). An authenticated user with write access to source map content could store specially crafted, highly compressed content that exhausts the memory available to APM Server when it is later processed, terminating the process. The condition recurs on every restart until the stored content is removed.

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Fixes

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Workaround

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History

Wed, 02 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 02 Sep 2026 10:45:00 +0000

Type Values Removed Values Added
Description Improper Handling of Highly Compressed Data (CWE-409) in APM Server can lead to a persistent denial of service via Excessive Allocation (CAPEC-130). An authenticated user with write access to source map content could store specially crafted, highly compressed content that exhausts the memory available to APM Server when it is later processed, terminating the process. The condition recurs on every restart until the stored content is removed.
Title Improper Handling of Highly Compressed Data in APM Server Leading to Persistent Denial of Service
Weaknesses CWE-409
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-09-02T15:58:12.264Z

Reserved: 2026-08-24T21:13:51.299Z

Link: CVE-2026-78594

cve-icon Vulnrichment

Updated: 2026-09-02T15:50:54.060Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-02T15:17:40.700

Modified: 2026-09-02T19:23:13.660

Link: CVE-2026-78594

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses