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CVE-2021-28856

Good to know:

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Date: April 14, 2021

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.

Language: C

Severity Score

Related Resources (4)

https://github.com/jsummers/deark/commit/62acb7753b0e3c0d3ab3c15057b0a65222313334
https://nvd.nist.gov/vuln/detail/CVE-2021-28856
https://fatihhcelik.github.io/posts/Division-By-Zero-Deark/
https://www.mend.io/vulnerability-database/CVE-2021-28856

Severity Score

Weakness Type (CWE)

Divide By Zero

CWE-369

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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