LiveActive security incident?Get immediate response
CVE Record

CVE-2018-10799: A hang issue was discovered in Brave before 0.14.0 (on, for example, Linux).

A hang issue was discovered in Brave before 0.14.0 (on, for example, Linux). This vulnerability is caused by the mishandling of a long URL formed by window.location+='?\u202a\uFEFF\u202b'; concatenation in a SCRIPT element.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE describes an old Brave browser hang issue. A specially formed long URL created from script could cause Brave versions before 0.14.0 to become unresponsive. The available sources indicate an availability impact, not data theft or code execution. Evidence is limited and no active exploitation is cited.

Executive priority

Treat this as low operational urgency unless legacy Brave is present. The known impact is availability disruption in an outdated browser version, with no source evidence of active exploitation or code execution.

Technical view

Brave before 0.14.0 mishandled a long URL formed through script-based window.location concatenation containing Unicode control characters, resulting in a hang. The CVE record provides no CVSS score, CWE, detailed affected-platform matrix, or vendor advisory beyond the version boundary and HackerOne reference.

Likely exposure

Exposure appears limited to legacy Brave installations before 0.14.0, with Linux mentioned as an example platform. Organizations using managed modern browsers are unlikely to have material exposure, but any unmanaged or embedded legacy Brave deployments should be checked.

Exploitation context

The source bundle does not show KEV listing or active exploitation. A public HackerOne report exists, so the issue was publicly disclosed. The described impact is browser unresponsiveness after processing a crafted script condition, but the sources do not establish broader compromise capability.

Researcher notes

The record is sparse: no CVSS, CWE, CPEs, or full vendor advisory are included. Analysis should stay constrained to Brave before 0.14.0 and availability impact. Do not infer Chromium-wide exposure or modern Brave impact from the provided evidence.

Mitigation direction

  • Upgrade Brave installations to 0.14.0 or later.
  • Remove or isolate unsupported legacy Brave browser versions.
  • Check Brave vendor guidance if maintaining historical or embedded builds.
  • Use enterprise browser management to prevent outdated browser execution.

Validation and detection

  • Inventory installed Brave versions across managed endpoints.
  • Confirm no systems run Brave before 0.14.0.
  • Review helpdesk or endpoint logs for recurring Brave hangs.
  • Document any legacy exceptions and compensating controls.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2018-10799 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.