Bug 2488989 (CVE-2026-39197)

Summary: CVE-2026-39197 vector: Vector: Denial of Service via crafted request to HTTP endpoint
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: jcantril, rojacob
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Vector. A remote attacker could send a specially crafted compressed request to Vector's HTTP ingest sources, causing unbounded memory allocation during decompression and leading to a Denial of Service (DoS).
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-06-15 20:01:54 UTC
An issue in the /util/http/prelude.rs endpoint of Datadog, Inc Vector v0.54.0 allows attackers to cause a Denial of Service (DoS) via a crafted request or payload.