Vulnerability Intelligence Report
Google Chromium libvpx Heap Buffer Overflow Vulnerability
CVE-2023-5217
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.9
Impact Score:5.9
EPSS Probability:34.40%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-787 ↗CWE-787 Out-of-bounds Write
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Chrome | 117.0.5938.132 < 117.0.5938.132 (affected) | |
| libvpx | 1.13.1 < 1.13.1 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Chrome · Vendor · USA |
| Reserved | 2023-09-27T01:52:05 |
| Published | 2023-09-28T15:23:18 |
| Last Updated | 2025-10-21T23:05:36 |
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