CVE-2023-5217

CVE Enrichment

CVSS: 8.8 HIGH
EPSS: 49.01%
EPSS Percentile: 98.87%
CISA KEV: YES — Known Exploited Vulnerability

Description

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)

Technical Details

CVSS Version: 3.1
CNA / NVD Source: chrome-cve-admin@google.com
Published: 28-Sep-2023 23:15
Last Modified: 17-Jun-2026 13:48
EPSS Date: 2026-10-18
CWE: CWE-787

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:R /
                            S:U /
                            C:H /
                            I:H /
                            A:H

CISA KEV Details

Date Added: 2023-10-02
Remediation Due: 2023-10-23
Known Ransomware Campaign Use: Unknown
Required Action: 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

Affected Products / Versions

webmproject / libvpx
Version / affected range: * · before (exclusive) 1.13.1
cpe:2.3:a:webmproject:libvpx:*:*:*:*:*:*:*:*
microsoft / edge
Version / affected range: 116.0.1938.98
cpe:2.3:a:microsoft:edge:116.0.1938.98:*:*:*:*:*:*:*
microsoft / edge
Version / affected range: 117.0.2045.47
cpe:2.3:a:microsoft:edge:117.0.2045.47:*:*:*:*:*:*:*
microsoft / edge_chromium
Version / affected range: 116.0.5845.229
cpe:2.3:a:microsoft:edge_chromium:116.0.5845.229:*:*:*:*:*:*:*
microsoft / edge_chromium
Version / affected range: 117.0.5938.132
cpe:2.3:a:microsoft:edge_chromium:117.0.5938.132:*:*:*:*:*:*:*
mozilla / firefox
Version / affected range: * · before (exclusive) 115.3.1
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
mozilla / firefox
Version / affected range: * · before (exclusive) 118.0.1
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
mozilla / firefox
Version / affected range: * · before (exclusive) 118.1
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*
mozilla / thunderbird
Version / affected range: * · before (exclusive) 115.3.1
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
fedoraproject / fedora
Version / affected range: 37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
fedoraproject / fedora
Version / affected range: 38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
fedoraproject / fedora
Version / affected range: 39
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
debian / debian_linux
Version / affected range: 10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
debian / debian_linux
Version / affected range: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
debian / debian_linux
Version / affected range: 12.0
cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
apple / ipados
Version / affected range: * · from (inclusive) 17.0 · before (exclusive) 17.0.3
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
apple / ipados
Version / affected range: 16.7
cpe:2.3:o:apple:ipados:16.7:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: * · from (inclusive) 17.0 · before (exclusive) 17.0.3
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
apple / iphone_os
Version / affected range: 16.7
cpe:2.3:o:apple:iphone_os:16.7:*:*:*:*:*:*:*
google / chrome
Version / affected range: * · before (exclusive) 117.0.5938.132
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
redhat / enterprise_linux
Version / affected range: 9.0
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

References

Last enrichment sync: 19-Oct-2026 02:16
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (2)

fell into the Chrome category were hiding much more interesting vulnerabilities. CVE-2023-4863 and CVE-2023-5217 caused quite a stir when they were initially published as vulnerabilities in Google Chrome, only to be Wiz Recaps Its 2023 Cloud Security Stories and Key Lessons
CVE-2023-4863 is a critical vulnerability in libwebp, and CVE-2023-5217 is a high severity vulnerability in libvpx, both reportedly exploited in the wild. Critical libwebp and libvpx flaws reportedly exploited in the wild

CVE (6)

People (4)

Threat Actors (8)

MITRE ATT&CK (1)

Vendors (7)

Products (13)

Tools (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.