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CVE-2026-18220

🗓️ 29 Jul 2026 09:47:51Reported by redhatType 
cve
 cve🔗 web.nvd.nist.gov👁 10 Views

Binutils DLX ELF backend has an out-of-bounds write in relocation processing, enabling arbitrary code execution via file stream programming on glibc files with crafted DLX ELF objects.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-18220
29 Jul 202609:47
–attackerkb
Cvelist		CVE-2026-18220 Binutils: binutils: out-of-bounds write in bfd dlx elf backend relocation processing
29 Jul 202609:47
–cvelist
EUVD		EUVD-2026-50279
29 Jul 202609:47
–euvd
NVD		CVE-2026-18220
29 Jul 202611:16
–nvd
Positive Technologies		PT-2026-65773
29 Jul 202600:00
–ptsecurity
RedhatCVE		CVE-2026-18220
29 Jul 202609:47
–redhatcve
Vulnrichment		CVE-2026-18220 Binutils: binutils: out-of-bounds write in bfd dlx elf backend relocation processing
29 Jul 202609:47
–vulnrichment
[
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    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "binutils",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gcc-toolset-15-binutils",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gcc-toolset-16-binutils",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o: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": "unaffected",
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    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
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    "packageName": "mingw-binutils",
    "defaultStatus": "unaffected",
    "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": "binutils",
    "defaultStatus": "unaffected",
    "cpes": [
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  {
    "vendor": "Red Hat",
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  },
  {
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  {
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    "packageName": "binutils",
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  {
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    "packageName": "gcc-toolset-14-binutils",
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  },
  {
    "vendor": "Red Hat",
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    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gcc-toolset-14-gdb",
    "defaultStatus": "unaffected",
    "cpes": [
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    ]
  },
  {
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    "packageName": "gcc-toolset-15-binutils",
    "defaultStatus": "unaffected",
    "cpes": [
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    ]
  },
  {
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  {
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    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
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    "cpes": [
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    ]
  },
  {
    "vendor": "Red Hat",
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    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "mingw-binutils",
    "defaultStatus": "unaffected",
    "cpes": [
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    ]
  },
  {
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    ]
  },
  {
    "vendor": "Red Hat",
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    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gcc-toolset-16-binutils",
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    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "gdb",
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    ]
  },
  {
    "vendor": "Red Hat",
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    "packageName": "mingw-binutils",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "binutils",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "rhcos",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ]
  }
]

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29 Jul 2026 13:17Current
6.4Medium risk
Vulners AI Score6.4
CVSS 3.17.8
SSVC
CWE-787
binutilsdlx elf backendarbitrary code executionfile stream programmingglibc files
10