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CVE-2026-40469

🗓️ 13 Jul 2026 12:07:55Reported by CERT-PLType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine). This issue could be used to overwrite gawk heap metadata and objects causing the program to crash. It affects 32-bit builds of gawk in versions 5...

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-40469
13 Jul 202612:07
attackerkb
Cvelist
CVE-2026-40469 Heap buffer overflow in gawk
13 Jul 202612:07
cvelist
EUVD
EUVD-2026-43494
13 Jul 202612:07
euvd
NVD
CVE-2026-40469
13 Jul 202613:16
nvd
Positive Technologies
PT-2026-57814
13 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2026-40469 Heap buffer overflow in gawk
13 Jul 202612:07
vulnrichment
Vulners
Node
gnugawkRange5.4.0
[
  {
    "vendor": "GNU",
    "product": "gawk",
    "platforms": [
      "32 bit"
    ],
    "repo": "https://cgit.git.savannah.gnu.org/cgit/gawk.git/",
    "programFiles": [
      "builtin.c"
    ],
    "programRoutines": [
      {
        "name": "do_sub()"
      }
    ],
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "5.4.0",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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13 Jul 2026 14:16Current
6Medium risk
Vulners AI Score6
CVSS 45.1
SSVC
6