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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.

Official resources

CISA added CVE-2019-13720 to the Known Exploited Vulnerabilities catalog on 2022-05-23 and set the remediation due date to 2022-06-13. The supplied CVE record itself is dated 2022-05-23 in the provided corpus; no earlier or separate issue-?