CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HCVE-2021-28855
Medium (5.5) in entropymine deark. EPSS 0.9% chance of exploitation in the next 30 days.
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).
Severity
- EPSS
- 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
- CWE
- CWE-476
- Published
- Modified
- Record from
- the NVD, synced
Affected
- entropymine:deark
References
- https://fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/
- https://github.com/fuzzing2026/CVE-PoCs/tree/main/deark-CVE-2021-28855
- https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb
- https://fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/
- https://github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eeb