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HomeCVEsCVE-2023-5217

CVE-2023-5217

Published: January 26, 2026
Last updated:16 hours ago (January 26, 2026)
Exploit: YesZero-day: YesPatch: YesTrend: Low
TL;DR
Updated January 26, 2026

CVE-2023-5217 is a high severity vulnerability with a CVSS score of 8.8. Exploits are available; patches have been released and should be applied urgently. This is classified as a zero-day vulnerability.

Key Points
  • 1High severity (CVSS 8.8/10)
  • 2EPSS: 3.00% - moderate likelihood of exploitation
  • 3Public exploits are available
  • 4Vendor patches are available
  • 5Strobes Priority Score: 970/1000 (Critical)
  • 6Affects products from 8 vendors
Severity Scores
CVSS v38.8
CVSS v20.0
Priority Score970.0
EPSS Score3.0
High
Exploitation LikelihoodLow
3.00%EPSS

Lower probability of exploitation

Patch during regular maintenance
3.00%
EPSS
8.8
CVSS
Yes
Exploit
Yes
Patch
High Priority
exploit exists • high priority

EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.

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.

CVSS v3 Breakdown
Attack Vector:Network
Attack Complexity:Local
Privileges Required:Network
User Interaction:Required
Scope:Unchanged
Confidentiality:High
Integrity:High
Availability:High
Exploit References
GitHubGitHubGitHubChrome Cve [email protected]
Patch References
Github.comGithub.comChromereleases.googleblog.comGithub.comGithub.comGithub.comGithub.comGithub.comGithub.comChrome Cve [email protected]
Trend Analysis
Low
Vulnerable Products
VendorProduct
AppleIpados
AppleiPhone Os
MozillaThunderbird
GoogleChrome
MozillaFirefox
FedoraprojectFedora
DebianDebian Linux
MicrosoftEdge
MicrosoftEdge Chromium
RedhatEnterprise Linux

And 1 more...

Advisories
CISA: 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.
GitHub AdvisoryNVD
Cite This Page
APA Format
Strobes VI. (2026). CVE-2023-5217 - CVE Details and Analysis. Strobes VI. Retrieved January 27, 2026, from https://vi.strobes.co/cve/CVE-2023-5217
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