CVE-2020-23706

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-07-15 · updated 2026-06-17
Weakness: CWE-787

Description

A heap-based buffer overflow vulnerability in the function ok_jpg_decode_block_subsequent_scan() ok_jpg.c:1102 of ok-file-formats through 2020-06-26 allows attackers to cause a Denial of Service (DOS) via a crafted jpeg file.

Affected products

Ok-File-Formats Project Ok-File-Formats: through 2020-06-26

References

https://github.com/brackeen/ok-file-formats/issues/7
https://github.com/brackeen/ok-file-formats/issues/7

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