CVE-2021-32263

CVE-2021-32263 is a high-severity vulnerability in Ok-file-formats Project Ok-file-formats with a CVSS 3.x base score of 7.8. 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

Description

ok-file-formats through 2021-04-29 has a heap-based buffer overflow in the ok_csv_circular_buffer_read function in ok_csv.c.

Frequently asked questions

What is CVE-2021-32263?
ok-file-formats through 2021-04-29 has a heap-based buffer overflow in the ok_csv_circular_buffer_read function in ok_csv.c.
How severe is CVE-2021-32263?
CVE-2021-32263 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-32263 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-32263?
CVE-2021-32263 affects Ok-file-formats Project Ok-file-formats. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-32263?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-32263 published?
CVE-2021-32263 was published on 2021-08-24 and last updated on 2026-06-17.

References

Affected products (1)

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