CVE-2020-6089: An exploitable code execution vulnerability exists in the ANI file format parser of Leadtools 20

This month

HIGH 7.8DOWNGRADE

CVE-2020-6089 is a high-severity flaw (CVSS 7.8) affecting leadtools. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An exploitable code execution vulnerability exists in the ANI file format parser of Leadtools 20. A specially crafted ANI file can cause a buffer overflow resulting in remote code execution. An attacker can provide a malicious file to trigger this vulnerability.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-787
Published	2020-07-01
Last modified	2026-06-17

Publisher (CNA): Talos · Vendor: leadtools

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

Am I affected?

Timeline

2020-07-01 16:15 UTCPublished CVE record published
2026-06-17 03:22 UTCUpdated Record last modified

leadtools leadtools DOWNGRADE

Affected: 20.0.0.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 20.0.0.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 20.0.0.0.0 (Debian / Ubuntu)

apt-cache madison leadtools sudo apt install leadtools=<VERSION_BEFORE_20.0.0.0.0> sudo apt-mark hold leadtools

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list leadtools sudo dnf downgrade leadtools-<VERSION_BEFORE_20.0.0.0.0> sudo dnf versionlock add leadtools

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-6089?

leadtools: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-6089 being exploited?

CVE-2020-6089 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-2020-6089 affect?

CVE-2020-6089 affects leadtools. Severity is high (CVSS 7.8). An exploitable code execution vulnerability exists in the ANI file format parser of Leadtools 20. A specially crafted ANI file can cause a buffer overflow resulting in remote code execution. An attacker can provide a malicious file to trigg

How urgent is CVE-2020-6089?

Priority 54/100. High severity; Public exploit reference

Related CVEs

CVE-2022-21154 HIGH 7.8 DOWNGRADE An integer overflow vulnerability exists in the fltSaveCMP functionality of Leadtools 22

References

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