Medium severity5.5NVD Advisory· Published Apr 14, 2021· Updated Jun 17, 2026
CVE-2021-28855
CVE-2021-28855
Description
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).
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3<1.5.8+ 1 more
- (no CPE)range: <1.5.8
- cpe:2.3:a:entropymine:deark:*:*:*:*:*:*:*:*range: <1.5.8
- Deark/Dearkdescription
Patches
Vulnerability mechanics
References
3- fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/nvdPatchThird Party Advisory
- github.com/jsummers/deark/commit/287f5ac31dfdc074669182f51ece637706070eebnvdPatchThird Party Advisory
- github.com/fuzzing2026/CVE-PoCs/tree/main/deark-CVE-2021-28855nvd
News mentions
0No linked articles in our index yet.