CVE-2026-40469 in gawk

Resumen

por MITRE • 2026-07-13

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 5.4.0 and below.

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• Responsable: CERT-PL
• Reservar: 2026-04-13
• Divulgación: 2026-07-13
• Moderación: aceptado
• Artículo: VDB-378100
• CPE: listo
• CWE: CWE-190 (confirmado)
• CVSS: 4.8 (VulDB)
• EPSS: 0.00000
• KEV: no
• Actividades: bajo

Fuentes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-40469
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40469
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-40469/