CVE-2021-28855 | THREATINT

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).

PUBLISHED Reserved 2021-03-19 | Published 2021-04-14 | Updated 2026-01-26 | Assigner mitre

References

fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/

github.com/...ommit/287f5ac31dfdc074669182f51ece637706070eeb

fatihhcelik.github.io/posts/NULL-Pointer-Dereference-Deark/

github.com/...ommit/287f5ac31dfdc074669182f51ece637706070eeb

github.com/...ng2026/CVE-PoCs/tree/main/deark-CVE-2021-28855

cve.org (CVE-2021-28855)

nvd.nist.gov (CVE-2021-28855)

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