Security readout for executives and security teams
Plain-English summary
This flaw affects Google Chrome on Windows before 92.0.4515.107. A malicious web page could trigger memory corruption in Chrome’s sensor handling. The practical business risk is user workstation compromise through normal browsing if outdated Chrome remains deployed.
Executive priority
Treat this as a high-priority browser patching issue, especially for employee workstations. There is no supplied evidence of active exploitation, but remote web-triggered memory corruption in Chrome creates meaningful business risk when patching lags.
Technical view
CVE-2021-30585 is a use-after-free in Chrome sensor handling on Windows before 92.0.4515.107. The CVE description says remote exploitation could potentially cause heap corruption through crafted HTML. No CVSS, CWE, or detailed public bug context is present in the supplied bundle.
Likely exposure
Exposure is most likely on managed or unmanaged Windows endpoints running Google Chrome older than 92.0.4515.107. Fedora package advisories are referenced, so Linux package managers should also confirm relevant browser package status where those advisories apply.
Exploitation context
The supplied sources do not show CISA KEV listing or state active exploitation. The attack vector described is remote web content, but the bundle does not provide exploit reliability, sandbox escape requirements, or observed campaign details.
Researcher notes
Public technical detail is limited in the bundle. The Chrome bug reference is listed, but the provided data does not include root-cause detail, exploit primitives, affected code paths, or sandbox impact. Avoid assuming exploitation beyond crafted HTML-triggered heap corruption.
Mitigation direction
- Update Google Chrome on Windows to 92.0.4515.107 or later.
- Review referenced Fedora advisories for applicable package updates.
- Enforce managed browser update policies across user endpoints.
- Check current vendor guidance before relying on compensating controls.
Validation and detection
- Inventory Chrome versions on Windows endpoints.
- Confirm no managed device runs Chrome before 92.0.4515.107.
- Review patch compliance reports for browser update failures.
- Check Fedora systems against the referenced package advisories.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2021-30585 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.htmlCVE reference · x_refsource_MISC
- https://crbug.com/1023503CVE reference · x_refsource_MISC
- FEDORA-2021-78b9d84299CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-6225d60814CVE reference · vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-02b301441fCVE reference · vendor-advisory, x_refsource_FEDORA
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.