How severe is CVE-2023-40305?

CVE-2023-40305 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-40305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40305?

CVE-2023-40305 affects Gnu Indent. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-40305?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-40305 published?

CVE-2023-40305 was published on 2023-08-14 and last updated on 2026-06-17.

CVE-2023-40305

CVE-2023-40305 is a medium-severity vulnerability in Gnu Indent with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Gnu Indent
Published: 2023-08-14
Last modified: 2026-06-17

Description

GNU indent 2.2.13 has a heap-based buffer overflow in search_brace in indent.c via a crafted file.

Frequently asked questions

What is CVE-2023-40305?: GNU indent 2.2.13 has a heap-based buffer overflow in search_brace in indent.c via a crafted file.
How severe is CVE-2023-40305?: CVE-2023-40305 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-40305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40305?: CVE-2023-40305 affects Gnu Indent. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-40305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40305 published?: CVE-2023-40305 was published on 2023-08-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gnu:indent:2.2.13:*:*:*:*:*:*:*

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