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4 vulnerabilities found for gawk by GNU
CVE-2026-40553 (GCVE-0-2026-40553)
Vulnerability from cvelistv5
Published
2026-07-13 12:07
Modified
2026-07-13 13:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-121 - Stack-based Buffer Overflow
Summary
Buffer overflow vulnerability has been found in "extension/readdir.c" program file of gawk (ftype() routine). This issue could be used to crash the program and potentially to achieve code execution, although the latter has not been confirmed to be feasible. It affects gawk in versions 5.4.0 and below.
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CVE-2026-40469 (GCVE-0-2026-40469)
Vulnerability from cvelistv5
Published
2026-07-13 12:07
Modified
2026-07-13 13:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
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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CVE-2026-40468 (GCVE-0-2026-40468)
Vulnerability from cvelistv5
Published
2026-07-13 12:07
Modified
2026-07-13 13:01
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-190 - Integer Overflow or Wraparound
Summary
Integer overflow vulnerability has been found in "builtin.c" program file of gawk. This issue may lead to memory exhaustion on the hosting operating system and could be used to overwrite gawk heap metadata and objects with attacker-controlled bytes. It affects gawk in versions 5.4.0 and below.
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CVE-2026-40467 (GCVE-0-2026-40467)
Vulnerability from cvelistv5
Published
2026-07-13 12:07
Modified
2026-07-13 13:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-416 - Use After Free
Summary
Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine). This issue may lead to a crash. It affects gawk in versions 5.4.0 and below.
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