Lucene search
+L

CVE-2026-77021

🗓️ 21 Sep 2026 10:57:37Reported by CheckmkType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

Missing zlib size limit in Checkmk agent receiver allows memory exhaustion via push mode host.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-77021 Missing decompression size limit in agent receiver allows memory exhaustion via push agent data
21 Sep 202610:57
cvelist
euvd
EUVD
EUVD-2026-83883
21 Sep 202610:57
euvd
nvd
NVD
CVE-2026-77021
21 Sep 202611:17
nvd
CNA
Node
OR
checkmkcheckmkRange2.5.02.5.0p14
checkmkcheckmkRange2.4.02.4.0p37
checkmkcheckmkRange2.3.02.3.0p51
checkmkcheckmkMatch2.2.0
[
  {
    "defaultStatus": "unaffected",
    "product": "Checkmk",
    "vendor": "Checkmk GmbH",
    "versions": [
      {
        "lessThan": "2.5.0p14",
        "status": "affected",
        "version": "2.5.0",
        "versionType": "semver"
      },
      {
        "lessThan": "2.4.0p37",
        "status": "affected",
        "version": "2.4.0",
        "versionType": "semver"
      },
      {
        "lessThan": "2.3.0p51",
        "status": "affected",
        "version": "2.3.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "2.2.0",
        "versionType": "semver"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation