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High, CVSS 7.5amended

Regular Expression Denial of Service in dat.gui

CVE-2020-7755GHSA-chwr-hf3w-c984

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • npm dat.gui

    Affected
    <= 0.7.7
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
  • CVE-2020-7755: 2.10% estimated exploitation activity in the next 30 days; percentile 81.72 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

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

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 2 · amended ·

    Amended from ghsa record GHSA-chwr-hf3w-c984

  2. Revision 1 · created ·

    Published from osv record GHSA-chwr-hf3w-c984

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2020-7755

Advisory: Regular Expression Denial of Service in dat.gui
IDs: CVE-2020-7755, GHSA-chwr-hf3w-c984
Record: https://patchnext.com/advisories/cve-2020-7755 (revision 2, source checked 26 Oct 2026, 12:20 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 7.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- npm dat.gui: affected <= 0.7.7

## Suggested inspection (read-only)
- `npm ls dat.gui --all`: lists every installed copy and version, including transitive ones. Run in the project root after `npm ci`.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on dat.gui.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://osv.dev/vulnerability/GHSA-chwr-hf3w-c984 (OSV record GHSA-chwr-hf3w-c984 lists affected ranges: npm dat.gui >=0 <=0.7.7)
- Verified: https://github.com/advisories/GHSA-chwr-hf3w-c984 (GitHub-reviewed advisory GHSA-chwr-hf3w-c984 lists affected ranges: npm dat.gui >=0 <=0.7.7)

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