CVE-2020-7755: All versions of package dat.gui are vulnerable to Regular Expression Denial of Service (ReDoS) via specificall

Q: How do I fix CVE-2020-7755?

dat.gui: upgrade to 0.7.8. Exact commands for each OS are on this page.

Q: Is CVE-2020-7755 being exploited?

CVE-2020-7755 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-2020-7755 affect?

CVE-2020-7755 affects dat.gui. Severity is high (CVSS 7.5). All versions of package dat.gui are vulnerable to Regular Expression Denial of Service (ReDoS) via specifically crafted rgb and rgba values.

Q: How urgent is CVE-2020-7755?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2020-7755 is a high-severity flaw (CVSS 7.5) affecting dat.gui. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

All versions of package dat.gui are vulnerable to Regular Expression Denial of Service (ReDoS) via specifically crafted rgb and rgba values.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Weakness	CWE-400
Published	2020-10-27
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: dat.gui project

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

Am I affected?

Timeline

2020-10-27 18:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

dat.gui project dat.gui UPGRADE

Affected: < 0.7.8

Fixed in: 0.7.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy dat.gui || rpm -q dat.gui || dat.gui --version

2. UPGRADE to 0.7.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dat.gui

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dat.gui

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-2020-7755?

dat.gui: upgrade to 0.7.8. Exact commands for each OS are on this page.

Is CVE-2020-7755 being exploited?

CVE-2020-7755 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-2020-7755 affect?

CVE-2020-7755 affects dat.gui. Severity is high (CVSS 7.5). All versions of package dat.gui are vulnerable to Regular Expression Denial of Service (ReDoS) via specifically crafted rgb and rgba values.

How urgent is CVE-2020-7755?

Priority 57/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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