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Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-40469

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 11.1%
CVSS Severity
CVSS v3 Score 9.1
Products affected by CVE-2026-40469
  • Fossies » Gawk » Version: N/A
    cpe:2.3:a:fossies:gawk:-
  • Fossies » Gawk » Version: 4.2.0
    cpe:2.3:a:fossies:gawk:4.2.0
  • Fossies » Gawk » Version: 4.2.1
    cpe:2.3:a:fossies:gawk:4.2.1
  • Fossies » Gawk » Version: 5.0.0
    cpe:2.3:a:fossies:gawk:5.0.0
  • Fossies » Gawk » Version: 5.0.1
    cpe:2.3:a:fossies:gawk:5.0.1
  • Fossies » Gawk » Version: 5.1.0
    cpe:2.3:a:fossies:gawk:5.1.0
  • Fossies » Gawk » Version: 5.1.1
    cpe:2.3:a:fossies:gawk:5.1.1
  • Fossies » Gawk » Version: 5.2.0
    cpe:2.3:a:fossies:gawk:5.2.0
  • Fossies » Gawk » Version: 5.2.1
    cpe:2.3:a:fossies:gawk:5.2.1
  • Fossies » Gawk » Version: 5.2.2
    cpe:2.3:a:fossies:gawk:5.2.2
  • Fossies » Gawk » Version: 5.3.0
    cpe:2.3:a:fossies:gawk:5.3.0
  • Fossies » Gawk » Version: 5.3.1
    cpe:2.3:a:fossies:gawk:5.3.1
  • Fossies » Gawk » Version: 5.3.2
    cpe:2.3:a:fossies:gawk:5.3.2
  • Fossies » Gawk » Version: 5.4.0
    cpe:2.3:a:fossies:gawk:5.4.0


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