Security readout for executives and security teams
Plain-English summary
CVE-2021-30600 is a memory safety flaw in Google Chrome's Printing component. A vulnerable browser could potentially be pushed into heap corruption through a crafted HTML page, but the source states the attacker first needed a compromised renderer process. Google fixed it in Chrome 92.0.4515.159.
Executive priority
Treat as a routine but time-sensitive browser patching item. The flaw has meaningful memory-corruption risk, but supplied evidence does not show active exploitation and includes a renderer-compromise precondition.
Technical view
The CVE describes a use-after-free in Chrome Printing before 92.0.4515.159. The stated path is a remote attacker with renderer-process compromise using crafted HTML to potentially exploit heap corruption. No CVSS, CWE, detailed affected version range, or public bug details are provided in the bundle.
Likely exposure
Likely exposure is user endpoints running Google Chrome before 92.0.4515.159. The source bundle does not define exact affected version ranges beyond prior to that release, and Fedora advisories indicate downstream package updates existed.
Exploitation context
The provided sources do not state active exploitation, and the bundle marks KEV as false. The issue appears post-renderer-compromise rather than a standalone browser compromise based on the CVE description.
Researcher notes
The public record is sparse: no CVSS, CWE, or detailed bug content is supplied. Avoid assuming exploitability beyond the stated crafted HTML plus compromised renderer condition. Focus validation on version state and advisory coverage.
Mitigation direction
- Update Google Chrome to 92.0.4515.159 or later.
- Apply referenced Fedora package updates where Fedora-managed Chrome or Chromium packages are used.
- Use standard browser auto-update controls to enforce current versions.
- Check Google and distribution advisories for environment-specific package guidance.
Validation and detection
- Inventory endpoint Chrome versions and flag anything before 92.0.4515.159.
- Confirm managed update tooling reports successful browser update installation.
- For Fedora systems, verify the referenced advisory updates are installed.
- Review vulnerability scanner findings for stale Chrome installations.
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-2021-30600 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/2021/08/stable-channel-update-for-desktop.htmlCVE reference · x_refsource_MISC
- https://crbug.com/1231134CVE 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.