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No exploitation reportedFix available

CVE-2020-7755

No exploitation reported by the sources we read.

  • Published2020-10-27
  • WeaknessCWE-400

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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

Timeline

dates in UTC
  1. 2020-10-2718:15CVE publishedNVD

Versions per branch

OSV · NVD
dat.gui
BranchAffectedFixed in
0.7≤ 0.7.7no fix published
Dat.gui project dat.gui
BranchAffectedFixed in
0.7< 0.7.80.7.8

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

  • CNACVSS 3.17.5known since 2026-10-23
  • NVDCVSS 3.17.5read 2026-10-23
  • NVDCVSS 2.05read 2026-10-23
  • NVDweakness (CWE)CWE-400read 2026-10-23
  • FIRST EPSSEPSS score2.1 %2026-11-08
  • OSVaffected packages—
  • GitHub AdvisoriesadvisoryHIGH2021-04-21

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-10-27
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-chwr-hf3w-c984

Frequently asked questions

What is CVE-2020-7755?

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

Is CVE-2020-7755 actively exploited?

Active exploitation of CVE-2020-7755 has not been confirmed. Its EPSS score was 2.1% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-7755?

CVE-2020-7755 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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