CVE-2020-26148

7.5 highEPSS 1.4%

High (7.5) in md4c project md4c. EPSS 1.4% chance of exploitation in the next 30 days.

md_push_block_bytes in md4c.c in md4c 0.4.5 allows attackers to trigger use of uninitialized memory, and cause a denial of service (e.g., assertion failure) via a malformed Markdown document.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
CWE: CWE-908
Published: 2020-09-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

md4c_project:md4c

References

https://github.com/mity/md4c/issues/130
https://github.com/mity/md4c/issues/130

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