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CVE-2021-20236

🗓️ 28 May 2021 10:42:19Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 241 Views

A flaw in ZeroMQ server before 4.3.3 allows buffer overflow via crafted subscription requests

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Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-20236
28 May 202111:15
–attackerkb
astralinux
AstraLinux
Astra Linux – vulnerability in zeromq3
15 Oct 202615:53
–astralinux
bdu_fstec
BDU FSTEC
ZeroMQ Stack Buffer Overflow DoS
4 Apr 202400:00
–bdu_fstec
cbl_mariner
CBLMariner
CVE-2021-20236 affecting package zeromq 4.3.2-2
9 Jun 202103:50
–cbl_mariner
cnnvd
CNNVD
ZeroMQ buffer error vulnerability
28 May 202100:00
–cnnvd
cnvd
CNVD
Unspecified Vulnerability in ZeroMQ
2 Jun 202100:00
–cnvd
cvelist
Cvelist
CVE-2021-20236
28 May 202110:42
–cvelist
debiancve
Debian CVE
CVE-2021-20236
28 May 202110:42
–debiancve
euvd
EUVD
EUVD-2021-7675
3 Oct 202520:07
–euvd
f5
F5 Networks
K000149074: ZeroMQ vulnerabilities CVE-2014-9721 and CVE-2021-20236
19 Dec 202423:43
–f5
Rows per page
NVD
Vulners
Node
zeromqzeromqRange<4.3.3
[
  {
    "product": "zeromq",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "zeromq 4.3.3"
      }
    ]
  }
]

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17 Jun 2026 03:33Current
9.2Critical risk
Vulners AI Score9.2
CVSS 27.5
CVSS 3.19.8
EPSS0.01868
241