peg-markdown 0.4.14 has a NULL pointer dereference in process_raw_blocks in…
Priority LOW 36CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
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
Why it matters now
EPSS 0.01407 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:peg-markdown_project:peg-markdown:0.4.14:*:*:*:*:*:*:* | 0.4.14 | Vulnerable | Peg-markdown Project |
- cpe:2.3:a:peg-markdown_project:peg-markdown:0.4.14:*:*:*:*:*:*:* Versions 0.4.14 Vulnerable ·Peg-markdown Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-25821
- 2026-10-03 Alias added: GHSA-844g-g5xp-8wfm
References
Sources
- CVE-2020-25821 · CVE Program
- CVE-2020-25821 · NVD
- FIRST EPSS
- GHSA-844g-g5xp-8wfm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences