CVE-2026-40467
Published: July 16, 2026Last modified: July 21, 2026
Description
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| Attack Vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | NONE |
| Integrity impact | NONE |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | gawk | Fixed (5.1.1-r2) |
| 25 LTS | gawk | Fixed (5.3.2-r3) | |
| Stream | gawk | Fixed (5.3.2-r3) | |
| Hardened Containers | 23 LTS | gawk | Fixed (5.1.1-r2) |
| 25 LTS | gawk | Fixed (5.3.2-r3) | |
| Stream | gawk | Fixed (5.3.2-r3) |