Is It On KEV?

Google Chromium libvpx

YES - ON THE CISA KEV LIST
CVE-2023-5217

Google Chromium libvpx Heap Buffer Overflow Vulnerability

CISA catalog due date2023-10-23
overdue since 2023-10-23
EPSS exploit probability (next 30 days)49.0% · 99percentile
From CVE publication to KEV listing4 days (2023-09-28 → 2023-10-02)
Remediation window (KEV listing to due date)21 days
Days on the KEV list1136 days
Date added to KEV2023-10-02
Known ransomware campaign useUnknown
VendorGoogle
ProductChromium libvpx
Weaknesses (CWE)CWE-787

Google: 77 entries (4.3% of all KEV entries are from this vendor); 10 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

Description

Google Chromium libvpx contains a heap buffer overflow vulnerability in vp8 encoding that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could impact web browsers using libvpx, including but not limited to Google Chrome.

Required action (CISA)

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Notes

https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html; https://nvd.nist.gov/vuln/detail/CVE-2023-5217

References

Other KEV entries for this vendor: Google

Google - Vendors with KEV entries

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