In Deark before 1.5.8, a specially crafted input file can cause a NULL pointer…
Priority LOW 27CWE-476Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- 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
In Deark before 1.5.8, a specially crafted input file can cause a NULL pointer dereference in the dbuf_write function (src/deark-dbuf.c).
Why it matters now
EPSS 0.00895 59th percentileScored 2026-11-07
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:entropymine:deark:*:*:*:*:*:*:*:* | before 1.5.8 | Vulnerable | Entropymine |
- cpe:2.3:a:entropymine:deark:*:*:*:*:*:*:*:* Versions before 1.5.8 Vulnerable ·Entropymine
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-28855
- 2026-10-03 Alias added: GHSA-648v-392v-p884
References
More Entropymine Deark vulnerabilities
- TI-2022-21131 Deark v.1.6.2 was discovered to contain a stack overflow via the do_prism_read_palette()… CVSS 3.1HIGH 7.8
- TI-2021-09839 In Deark before v1.5.8, a specially crafted input file can cause a division by zero in… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2021-28855 · CVE Program
- CVE-2021-28855 · NVD
- FIRST EPSS
- GHSA-648v-392v-p884 · GitHub Advisory Database · CC BY 4.0
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