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PatchSiren cyber security CVE debrief

CVE-2022-4135 Google CVE debrief

CVE-2022-4135 is a Google Chromium GPU heap buffer overflow vulnerability that CISA added to the Known Exploited Vulnerabilities catalog. Because it is listed as known exploited, affected Chromium-based environments should treat it as a high-priority patch item and follow vendor update guidance promptly.

Vendor
Google
Product
Chromium GPU
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-11-28
Original CVE updated
2022-11-28
Advisory published
2022-11-28
Advisory updated
2022-11-28

Who should care

Security and endpoint teams managing Google Chromium or Chromium-based browser deployments, especially on desktop systems, should prioritize this issue. Organizations that track CISA KEV entries for urgent remediation should also include it in patch SLAs.

Technical summary

The supplied source corpus identifies the issue as a heap buffer overflow in Chromium GPU. CISA’s KEV entry marks it as a known exploited vulnerability and points to the vendor’s update guidance. The corpus does not include CVSS, exploitation details, affected versions, or a public root-cause analysis beyond the vulnerability type and product area.

Defensive priority

High. CISA added this CVE to the KEV catalog on 2022-11-28, which is a strong indicator that remediation should be prioritized over routine patch queues.

Recommended defensive actions

  • Apply the vendor’s security updates per the referenced Chromium/Chrome release guidance.
  • Confirm which Chromium-based browser builds are deployed across endpoints and servers, and map them to the vendor’s fixed versions.
  • Accelerate remediation using your KEV-based patch SLA, with expedited handling for internet-facing and high-risk desktop fleets.
  • Verify that endpoint patch compliance reporting includes this CVE until all affected systems are updated.
  • Monitor vendor advisories and CISA KEV updates for any additional guidance related to this issue.

Evidence notes

This debrief is intentionally limited to the supplied CVE metadata, CISA KEV record, and official resource links. The corpus confirms the CVE ID, vendor/product, vulnerability type, KEV status, and KEV dates, but it does not provide CVSS scoring, exploit mechanics, affected versions, or remediation version numbers. All claims here are limited to those supported by the supplied sources.

Official resources

CISA listed CVE-2022-4135 in its Known Exploited Vulnerabilities catalog on 2022-11-28, with a remediation due date of 2022-12-19. The source corpus does not include a separate public exploitation advisory beyond the KEV listing and vendor/