PatchTheCVEgawk vulnerabilities and fixes
Recent CVEs affecting gawk, with upgrade or downgrade steps. 4 tracked.
gawk has 4 tracked vulnerabilities, 2 critical. A fixed release or vendor patch exists for 4. Most recent: 2026-07-13. Highest priority: CVE-2026-40469 (score 40/100).
- CVE-2026-40469 CRITICAL 9.1 UPGRADE Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine)
- CVE-2026-40468 CRITICAL 9.1 UPGRADE Integer overflow vulnerability has been found in "builtin.c" program file of gawk
- CVE-2026-40553 HIGH 7.5 UPGRADE Buffer overflow vulnerability has been found in "extension/readdir.c" program file of gawk (ftype() routine)
- CVE-2026-40467 HIGH 7.5 UPGRADE Use After Free vulnerability has been found in "io.c" program file of gawk (do_getline_redir() routine)
FAQ
How do I fix gawk vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is gawk being exploited right now?
None of the tracked gawk CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which gawk CVE should I patch first?
CVE-2026-40469 currently ranks highest (40/100): Integer overflow vulnerability has been found in "builtin.c" program file of gawk (do_sub() routine).