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TI-2021-05778 Aliases CVE-2021-22917GHSA-gvj3-42m2-8xqw

Information disclosure in https://github.com/brave/brave-core

Priority LOW 31CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

Brave Browser Desktop between versions 1.17 and 1.20 is vulnerable to information disclosure by way of DNS requests in Tor windows not flowing through Tor if adblocking was enabled.

Why it matters now

EPSS 0.0123 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—https://github.com/brave/brave-coreFixed in 1.20—No fix listedCNA
  • https://github.com/brave/brave-core Vendor— Affected Fixed in 1.20 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:brave:browser:*:*:*:*:*:*:*:*after 1.17, before 1.20VulnerableBrave
  • cpe:2.3:a:brave:browser:*:*:*:*:*:*:*:* Versions after 1.17, before 1.20 Vulnerable ·Brave

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22917
  2. 2026-10-03 Alias added: GHSA-gvj3-42m2-8xqw

References

Advisory 1

  • TI-2023-12910 Open redirect in Brave Browser Android CVSS 3.1MEDIUM 6.1
  • TI-2023-28673 Brave Browser before 1.59.40 does not properly restrict the schema for WebUI factory and… CVSS 3.1MEDIUM 6.1
  • TI-2016-07744 Cross-site scripting in Brave Software Brave Browser iOS before 1.2.18 and Brave Browser… CVSS 3.1MEDIUM 4.7
  • TI-2017-14672 Brave Software's Brave Browser, version 0.19.73 (and earlier) is vulnerable to an… CVSS 3.0MEDIUM 4.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences