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PatchSiren cyber security CVE debrief

CVE-2019-13720 Google CVE debrief

CVE-2019-13720 is a Google Chrome WebAudio use-after-free vulnerability that CISA added to its Known Exploited Vulnerabilities catalog. That KEV listing is the key operational signal here: defenders should treat this as a high-priority browser memory-safety issue and apply vendor updates without delay.

Vendor
Google
Product
Chrome WebAudio
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-05-23
Original CVE updated
2022-05-23
Advisory published
2022-05-23
Advisory updated
2022-05-23

Who should care

Security teams responsible for Google Chrome deployments, endpoint management, and browser patch compliance should prioritize this CVE. It is especially relevant for organizations with large fleets of user workstations, managed browsers, and systems that regularly access the public internet.

Technical summary

The vulnerability is described as a use-after-free issue in Chrome WebAudio. Use-after-free bugs are memory-safety flaws that can cause unstable or unsafe object access after memory has been released. The supplied source corpus does not provide additional technical detail, exploit mechanics, or a CVSS score, so the safest defensible summary is that this is a browser-side memory corruption issue in a component that CISA has identified as known exploited.

Defensive priority

Urgent

Recommended defensive actions

  • Apply Google Chrome updates according to vendor instructions as soon as possible.
  • Use the CISA KEV due date as a remediation deadline for asset owners and patch tracking.
  • Inventory affected Chrome installations across managed endpoints and confirm update status.
  • Prioritize remediation for high-risk user devices, especially systems with regular internet exposure.
  • Verify that patch deployment completed successfully and close any exceptions quickly.
  • Monitor vulnerability management reports for lingering instances of the affected Chrome build.

Evidence notes

This debrief is based only on the supplied CVE record, the CISA Known Exploited Vulnerabilities entry, and the official resource links provided. The corpus identifies the issue as a Google Chrome WebAudio use-after-free vulnerability and places it in CISA KEV with dateAdded 2022-05-23 and dueDate 2022-06-13. No CVSS score was supplied, and no additional exploit or impact details were used.

Sources and references

Verified primary and authoritative sources

  • CVE-2019-13720 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-13720

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

  • CVE-2019-13720 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2019-13720

    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.