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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👁 89 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
hp
Hewlett-Packard
HP ThinPro 9 SP3 Security Updates
2 Oct 202600:00
–hp
hp
Hewlett-Packard
HP ThinPro 8.1 SP10 Security Updates
2 Oct 202600:00
–hp
mageia
Mageia
Updated gawk packages fix security vulnerabilities
20 Sep 202604:25
–mageia
nvd
NVD
CVE-2026-40469
13 Jul 202613:16
–nvd
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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