CVE-2020-25821
CVSS v3
7.5
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Technical details
- Published
- 2020-09-23
Frequently asked questions
What is CVE-2020-25821?
peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in markdown_lib.c. NOTE: This vulnerability only affects products that are no longer supported by the maintainer
Is CVE-2020-25821 actively exploited?
Active exploitation of CVE-2020-25821 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-25821?
CVE-2020-25821 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-25821 affecting your environment?
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