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CVE-2026-40469 Heap buffer overflow in gawk

🗓️ 13 Jul 2026 12:07:55Reported by CERT-PLType 
cvelist
 cvelist
🔗 www.cve.org👁 57 Views

Heap overflow in gawk do_sub() on 32-bit builds; may overwrite heap metadata and crash in five four zero.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-40469
13 Jul 202612:07
attackerkb
alpinelinux
AlpineLinux
CVE-2026-40469
13 Jul 202612:07
alpinelinux
circl
Circl
CVE-2026-40469
13 Jul 202612:15
circl
cve
CVE
CVE-2026-40469
13 Jul 202612:07
cve
debiancve
Debian CVE
CVE-2026-40469
13 Jul 202612:07
debiancve
euvd
EUVD
EUVD-2026-43494
13 Jul 202612:07
euvd
nvd
NVD
CVE-2026-40469
13 Jul 202613:16
nvd
osv
OSV
BELL-CVE-2026-40469
16 Jul 202606:04
osv
osv
OSV
DEBIAN-CVE-2026-40469
13 Jul 202613:16
osv
osv
OSV
ECHO-E2F2-918D-5B78
14 Jul 202607:46
osv
Rows per page
[
  {
    "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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