CVE-2026-40467

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Source
https://cve.org/CVERecord?id=CVE-2026-40467
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40467.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40467
Downstream
AZL (1)
BELL (1)
CLSA (3)
DEBIAN (1)
ECHO (1)
JLSEC (1)
MGASA (1)
OESA (5)
openSUSE (1)
RHSA (5)
RLSA (3)
SUSE (4)
UBUNTU (1)
Related
ALSA (3)
openSUSE (1)
SUSE (4)
Published
2026-07-13T12:07:52Z
Modified
2026-10-26T02:30:58Z
Severity
  • 5.1 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Use after free in gawk
Details

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.

Database specific 
{
    "cna_assigner":  "CERT-PL",
    "cwe_ids":  [
        "CWE-416"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40467.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "last_affected":  "5.4.0"
                        }
                    ],
                    "source":  "AFFECTED_FIELD",
                    "strategy":  "StandardRange"
                }
            ]
        },
        {
            "extracted_events":  [
                {
                    "range":  [
                        {
                            "last_affected":  "5.4.0"
                        }
                    ],
                    "source":  "DESCRIPTION"
                }
            ]
        }
    ]
}
References

Affected packages

Git / cgit.git.savannah.gnu.org/cgit/gawk.git

Affected ranges

Type
GIT
Repo
https://cgit.git.savannah.gnu.org/cgit/gawk.git
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a2d18c74109e41bec29a23098eba2e00057286d8
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "fixed":  "a2d18c74109e41bec29a23098eba2e00057286d8"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40467.json"