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CVE-2021-20203

🗓️ 25 Feb 2021 19:09:46Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 4 Media mentions👁 275 Views

An integer overflow issue in vmxnet3 NIC emulator of QEMU for versions up to v5.2.0 may lead to DoS

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
altlinux
ALT Linux
Security fix for the ALT Linux 10 package qemu version 6.1.1-alt1
1 Mar 202200:00
–altlinux
attackerkb
attackerkb
CVE-2021-20203
25 Feb 202120:15
–attackerkb
alpinelinux
AlpineLinux
CVE-2021-20203
25 Feb 202119:09
–alpinelinux
astralinux
AstraLinux
Astra Linux – Vulnerability in Qemu
15 Oct 202615:53
–astralinux
bdu_fstec
BDU FSTEC
QEMU vmxnet3 DoS
21 Sep 202200:00
–bdu_fstec
cbl_mariner
CBLMariner
CVE-2021-20203 affecting package qemu-kvm 4.2.0-48
6 Apr 202123:50
–cbl_mariner
circl
Circl
CVE-2021-20203
25 Feb 202122:37
–circl
cnnvd
CNNVD
QEMU input validation error vulnerability
19 Feb 202100:00
–cnnvd
cnvd
CNVD
QEMU Input Validation Error Vulnerability (CNVD-2021-17229)
21 Feb 202100:00
–cnvd
cvelist
Cvelist
CVE-2021-20203
25 Feb 202119:09
–cvelist
Rows per page
NVD
Vulners
Node
qemuqemuRange≤5.2.0
[
  {
    "product": "qemu",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "versions up to v5.2.0"
      }
    ]
  }
]

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17 Jun 2026 03:33Current
5.2Medium risk
Vulners AI Score5.2
CVSS 22.1
CVSS 3.13.2
EPSS0.00592
275