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CVE-2026-121994

🗓️ 05 Nov 2026 16:08:46Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Stack buffer overflow in GDB remote protocol handler fetch_register_using_p allows RCE.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-121994
5 Nov 202616:24
–circl
cvelist
Cvelist
CVE-2026-121994 Gdb: gdb: stack buffer overflow in fetch_register_using_p via unchecked p-reply length
5 Nov 202616:08
–cvelist
euvd
EUVD
EUVD-2026-117571
5 Nov 202616:08
–euvd
nvd
NVD
CVE-2026-121994
5 Nov 202617:18
–nvd
ptsecurity
Positive Technologies
PT-2026-137545
5 Nov 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-121994
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
7.4High risk
Vulners AI Score7.4
CVSS 3.18.8
5