CVE-2021-28856
MEDIUM
5.5
CVSS Score
Published: April 14, 2021 at 04:11 PM UTC
Updated: June 17, 2026 at 03:46 AM UTC
1 product affected across 1 vendorDeark
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM5.5
Exploit prediction
EPSS 0.8%
Description
In Deark before v1.5.8, a specially crafted input file can cause a division by zero in (src/fmtutil.c) because of the value of pixelsize.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 1.5.8
Affected range stops below 1.5.8, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (3)
PatchThird Party Advisory
Source: [email protected]
https://fatihhcelik.github.io/posts/Division-By-Zero-Deark/PatchThird Party Advisory
Source: [email protected]
https://github.com/jsummers/deark/commit/62acb7753b0e3c0d3ab3c15057b0a65222313334CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-369
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card