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PatchSiren cyber security CVE debrief

CVE-2023-2136 Google CVE debrief

CVE-2023-2136 is a Google Chromium Skia integer overflow vulnerability associated with Google Chrome/Chromium. CISA added it to the Known Exploited Vulnerabilities catalog on 2023-04-21, which means it was already considered known to be exploited in the wild. The defensive takeaway is straightforward: prioritize the vendor-recommended update and verify browser fleet patching quickly.

Vendor
Google
Product
Chromium Skia
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2023-04-21
Original CVE updated
2023-04-21
Advisory published
2023-04-21
Advisory updated
2023-04-21

Who should care

Security and IT teams managing Google Chrome or Chromium-based browser fleets should treat this as a high-priority patch. Endpoint operations, vulnerability management, and any organization that depends on timely browser updates should confirm remediation across managed desktops and laptops.

Technical summary

The supplied records identify CVE-2023-2136 as an integer overflow in Chromium Skia, the graphics component used by Google Chrome. The corpus does not provide exploit mechanics or affected-version detail, but CISA’s KEV listing confirms known exploitation and instructs applying updates per vendor guidance.

Defensive priority

High — this is a KEV-listed vulnerability with a remediation due date of 2023-05-12 in the supplied CISA record.

Recommended defensive actions

  • Apply Google’s vendor updates for Chrome/Chromium as soon as possible.
  • Validate that managed browser fleets have received the fixed version across all endpoints.
  • Use vulnerability management or MDM tooling to confirm patch coverage and identify stragglers.
  • Treat internet-facing or frequently used desktop browsers as highest priority for verification.
  • Monitor for any additional vendor guidance or follow-on advisories tied to the Chrome stable channel release.

Evidence notes

The supplied CISA KEV entry names the issue 'Google Chrome Skia Integer Overflow Vulnerability,' lists vendorProject as Google, product as Chromium Skia, dateAdded as 2023-04-21, dueDate as 2023-05-12, and requiredAction as 'Apply updates per vendor instructions.' The KEV metadata also references Google’s Chrome release advisory and the NVD detail page. No CVSS score or exploit specifics were included in the supplied corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-2136 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-2136

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-2136 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-2136

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.