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CVE-2026-93563

🗓️ 18 Sep 2026 10:58:35Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 47 Views

Unbounded response accumulation in Netty SmtpResponseDecoder leads to memory-exhaustion DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-93563
18 Sep 202613:03
–circl
cvelist
Cvelist
CVE-2026-93563 Io.netty/netty-codec-smtp: netty: unbounded multi-line response accumulation in smtpresponsedecoder leads to memory-exhaustion dos
18 Sep 202610:58
–cvelist
debiancve
Debian CVE
CVE-2026-93563
18 Sep 202610:58
–debiancve
euvd
EUVD
EUVD-2026-82873
18 Sep 202610:58
–euvd
mend
Mend
CVE-2026-93563
18 Sep 202610:58
–mend
nvd
NVD
CVE-2026-93563
18 Sep 202611:17
–nvd
opensuse
OPENSUSE Linux
netty-4.1.138-1.1 on GA media (moderate)
30 Sep 202600:00
–opensuse
osv
OSV
DEBIAN-CVE-2026-93563
18 Sep 202611:17
–osv
osv
OSV
OPENSUSE-SU-2026:11882-1 netty-4.1.138-1.1 on GA media
24 Sep 202600:00
–osv
osv
OSV
SUSE-SU-2026:4391-1 Security update for netty, netty-tcnative
29 Sep 202611:47
–osv
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apache Camel for Spring Boot 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "netty-codec-smtp",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:camel_spring_boot:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Fuse 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "netty-codec-smtp",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jboss_fuse:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "jboss-eap-7/eap74-els-openjdk11-openshift-rhel8",
    "defaultStatus": "affected",
    "cpes": [
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    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "jboss-eap-7/eap74-els-openjdk17-openshift-rhel8",
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    ]
  },
  {
    "vendor": "Red Hat",
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    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "jboss-eap-7/eap74-els-openjdk8-openshift-rhel8",
    "defaultStatus": "affected",
    "cpes": [
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    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "netty-codec-smtp",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "netty-codec-smtp",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7"
    ]
  }
]

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25 Sep 2026 09:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00325
SSVC
47