Deark up to 1.5.7 src/fmtutil.c pixelsize divide by zero

CVSS Meta Temp Score
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Deark up to 1.5.7. Impacted is an unknown function of the file src/fmtutil.c. Such manipulation of the argument pixelsize leads to divide by zero. This vulnerability is referenced as CVE-2021-28856. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Deark up to 1.5.7. Affected by this issue is an unknown functionality of the file src/fmtutil.c. The manipulation of the argument pixelsize with an unknown input leads to a divide by zero vulnerability. Using CWE to declare the problem leads to CWE-369. The product divides a value by zero. Impacted is availability.

The weakness was published 04/15/2021. The advisory is available at fatihhcelik.github.io. This vulnerability is handled as CVE-2021-28856. Technical details are known, but there is no available exploit.

Upgrading to version 1.5.8 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Divide by zero
CWE: CWE-369 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Deark 1.5.8
Patch: github.com

Timelineinfo

03/19/2021 🔍
04/15/2021 +26 days 🔍
04/15/2021 +0 days 🔍
01/26/2026 +1747 days 🔍

Sourcesinfo

Advisory: fatihhcelik.github.io
Status: Confirmed

CVE: CVE-2021-28856 (🔍)
GCVE (CVE): GCVE-0-2021-28856
GCVE (VulDB): GCVE-100-173090

Entryinfo

Created: 04/15/2021 11:59
Updated: 01/26/2026 20:02
Changes: 04/15/2021 11:59 (39), 04/21/2021 11:14 (5), 01/26/2026 20:02 (33)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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