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CVE-2026-78002 Rsyslog: rsyslog: denial of service via heap buffer overflow in rainerscript replace() function

🗓️ 27 Aug 2026 16:12:59Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 82 Views

Unauthenticated DoS in rsyslog via heap buffer overflow in RainerScript replace() function.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
nessus
Tenable Nessus
Amazon Linux 2023 : rsyslog, rsyslog-crypto, rsyslog-elasticsearch (ALAS2023-2026-2133)
14 Sep 202600:00
nessus
nessus
Tenable Nessus
Amazon Linux 2 : rsyslog (ALAS-2026-3904)
14 Sep 202600:00
nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-78002
27 Aug 202600:00
nessus
amazon
Amazon
Important: rsyslog
14 Sep 202600:00
amazon
amazon
Amazon
Important: rsyslog
14 Sep 202600:00
amazon
circl
Circl
CVE-2026-78002
3 Sep 202613:35
circl
cve
CVE
CVE-2026-78002
27 Aug 202616:12
cve
debiancve
Debian CVE
CVE-2026-78002
27 Aug 202616:12
debiancve
euvd
EUVD
EUVD-2026-67085
27 Aug 202616:12
euvd
mscve
Microsoft CVE
Rsyslog: rsyslog: denial of service via heap buffer overflow in rainerscript replace() function
2 Sep 202608:05
mscve
Rows per page
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rsyslog",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rsyslog",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rsyslog7",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rsyslog",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rsyslog",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhel9/rsyslog",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rsyslog",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  }
]

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