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CVE-2026-43617 Rsync < 3.4.3 Authorization Bypass via Hostname Resolution

🗓️ 20 May 2026 00:52:38Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 72 Views

Rsync version 3.4.2 and earlier allow authorization bypass by manipulating reverse domain name pointer records to defeat hostname deny rules when change root is configured.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-43617
20 May 202600:52
attackerkb
alpinelinux
AlpineLinux
CVE-2026-43617
20 May 202600:52
alpinelinux
cbl_mariner
CBLMariner
CVE-2026-43617 affecting package rsync for versions less than 3.4.3-1
23 May 202615:30
cbl_mariner
circl
Circl
CVE-2026-43617
20 May 202603:07
circl
cnnvd
CNNVD
Rsync 安全漏洞
20 May 202600:00
cnnvd
cve
CVE
CVE-2026-43617
20 May 202600:52
cve
debian
Debian
[SECURITY] [DLA 4591-1] rsync security update
20 May 202614:39
debian
debian
Debian
[SECURITY] [DSA 6282-1] rsync security update
20 May 202613:26
debian
debiancve
Debian CVE
CVE-2026-43617
20 May 202600:52
debiancve
nessus
Tenable Nessus
Debian dla-4591 : rsync - security update
20 May 202600:00
nessus
Rows per page
[
  {
    "vendor": "RsyncProject",
    "product": "rsync",
    "repo": "https://github.com/RsyncProject/rsync",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThan": "3.4.3"
      }
    ],
    "defaultStatus": "unaffected",
    "packageURL": "pkg:github/RsyncProject/rsync"
  }
]

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