Ok File Formats
CVE-2021-32263
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
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. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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. Affected products include: Ok-File-Formats Project Ok-File-Formats. Version information: through 2021.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
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Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today