CVE-2022-47933 — Brave Browser before 1
Brave Browser before 1.42.51 allowed a remote attacker to cause a denial of service via a crafted HTML file that references the IPFS scheme. This vulnerability is caused by an uncaught exception in the function ipfs::OnBeforeURLRequest_IPFSRedirectWork() in ipfs_redirect_network_
Published
2022-12-24T00:00:00.000Z
Last modified
2025-04-15T13:36:05.401Z
01What is this vulnerability?
Brave Browser before 1.42.51 allowed a remote attacker to cause a denial of service via a crafted HTML file that references the IPFS scheme. This vulnerability is caused by an uncaught exception in the function ipfs::OnBeforeURLRequest_IPFSRedirectWork() in ipfs_redirect_network_delegate_helper.cc.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / n/a | n/a |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2022-12-24T00:00:00.000Z
- Last modified: 2025-04-15T13:36:05.401Z
09References
- github.com — https://github.com/brave/brave-core/commit/7ef8cb2f232abdf59ec9c3c99a086a14b972b…
- github.com — https://github.com/brave/brave-core/pull/13989
- github.com — https://github.com/brave/brave-browser/issues/23646
- github.com — https://github.com/brave/brave-browser/issues/24378
- hackerone.com — https://hackerone.com/reports/1610343
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