CVE-2026-40468

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Source
https://cve.org/CVERecord?id=CVE-2026-40468
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40468.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-40468
Downstream
AZL (1)
BELL (1)
CLSA (3)
DEBIAN (1)
ECHO (1)
JLSEC (1)
MGASA (1)
OESA (5)
openSUSE (1)
RHSA (5)
RLSA (3)
SUSE (5)
UBUNTU (1)
Related
ALSA (3)
openSUSE (1)
SUSE (5)
Published
2026-07-13T12:07:54Z
Modified
2026-10-26T02:30:17Z
Severity
  • 2.1 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L CVSS Calculator
Summary
Heap buffer overflow in gawk
Details

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.

Database specific 
{
    "cna_assigner":  "CERT-PL",
    "cwe_ids":  [
        "CWE-190"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/40xxx/CVE-2026-40468.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
062f2f2581b991362c046f7f2e238ffa34e6f8c7
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "fixed":  "062f2f2581b991362c046f7f2e238ffa34e6f8c7"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40468.json"