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CVE-2026-121997

🗓️ 05 Nov 2026 16:08:54Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Unauthenticated remote code execution in gdbserver via heap buffer overflow in QTDPsrc.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-121997
5 Nov 202616:26
–circl
cvelist
Cvelist
CVE-2026-121997 Gdb: gdbserver: heap buffer overflow in cmd_qtdpsrc via qtdpsrc declared/actual length mismatch
5 Nov 202616:08
–cvelist
euvd
EUVD
EUVD-2026-117574
5 Nov 202616:08
–euvd
nvd
NVD
CVE-2026-121997
5 Nov 202617:18
–nvd
redhatcve
RedhatCVE
CVE-2026-121997
5 Nov 202616:08
–redhatcve
[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "crash",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:rhel_els:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:rhel_els:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "crash",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gcc-toolset-14-gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gcc-toolset-15-gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "crash",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  }
]

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05 Nov 2026 17:18Current
6.8Medium risk
Vulners AI Score6.8
CVSS 3.18.1
3