CVE-2020-7823: DaviewIndy has a Memory corruption vulnerability, triggered when the user opens a malformed image file that is

Q: How do I fix CVE-2020-7823?

daviewindy: upgrade to newer than 8.98.7. Exact commands for each OS are on this page.

Q: Is CVE-2020-7823 being exploited?

CVE-2020-7823 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-7823 affect?

CVE-2020-7823 affects daviewindy. Severity is high (CVSS 7.8). DaviewIndy has a Memory corruption vulnerability, triggered when the user opens a malformed image file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.

This month

HIGH 7.8UPGRADE

CVE-2020-7823 is a high-severity flaw (CVSS 7.8) affecting daviewindy. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

DaviewIndy has a Memory corruption vulnerability, triggered when the user opens a malformed image file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-20, CWE-787
Published	2020-08-04
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: hmtalk

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-08-04 15:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

hmtalk daviewindy UPGRADE

Affected: <= 8.98.7

Fixed in: newer than 8.98.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy daviewindy || rpm -q daviewindy || daviewindy --version

2. UPGRADE to newer than 8.98.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade daviewindy

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade daviewindy

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-7823?

daviewindy: upgrade to newer than 8.98.7. Exact commands for each OS are on this page.

Is CVE-2020-7823 being exploited?

CVE-2020-7823 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-7823 affect?

CVE-2020-7823 affects daviewindy. Severity is high (CVSS 7.8). DaviewIndy has a Memory corruption vulnerability, triggered when the user opens a malformed image file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.

How urgent is CVE-2020-7823?

Priority 44/100. High severity

Related CVEs

CVE-2020-7872 HIGH 7.8 UPGRADE DaviewIndy v8.98.7.0 and earlier versions have a Integer overflow vulnerability, triggered when the user opens
CVE-2020-7852 HIGH 7.8 UPGRADE DaviewIndy has a Heap-based overflow vulnerability, triggered when the user opens a malformed ex.j2c format fi
CVE-2020-7829 HIGH 7.8 UPGRADE DaviewIndy 8.98.4 and earlier version contain Heap-based overflow vulnerability, triggered when the user opens
CVE-2020-7828 HIGH 7.8 UPGRADE DaviewIndy 8.98.4 and earlier version contain Heap-based overflow vulnerability, triggered when the user opens
CVE-2020-7827 HIGH 7.8 UPGRADE DaviewIndy 8.98.7 and earlier version contain Use-After-Free vulnerability, triggered when the user opens a ma

References

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