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)

Affected

Google · Chrome · libvpx

CVSS v3.1 NVD

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

EPSS

49.01% chance of exploitation in the next 30 days, 99th percentile

CISA KEV

added 2023-10-02

Published

2023-09-28

Updated

2025-10-21

Proof-of-concept exploits (5)

• Trinadh465/platform_external_libvpx_v1.4.0_CVE-2023-52170★ · 2023-10-06
• Trinadh465/platform_external_libvpx_v1.8.0_CVE-2023-52170★ · 2023-10-06
• UT-Security/cve-2023-5217-poc16★ · 2023-10-11
• compsec-snu/tiktag91★ · 2024-11-25
• wrv/cve-2023-5217-poc16★ · 2023-10-11

Security advisories

• https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html
• http://seclists.org/fulldisclosure/2023/Oct/12
• http://seclists.org/fulldisclosure/2023/Oct/16
• http://www.openwall.com/lists/oss-security/2023/09/28/5
• http://www.openwall.com/lists/oss-security/2023/09/28/6
• http://www.openwall.com/lists/oss-security/2023/09/29/1
• http://www.openwall.com/lists/oss-security/2023/09/29/11
• http://www.openwall.com/lists/oss-security/2023/09/29/12
• http://www.openwall.com/lists/oss-security/2023/09/29/14
• http://www.openwall.com/lists/oss-security/2023/09/29/2
• http://www.openwall.com/lists/oss-security/2023/09/29/7
• http://www.openwall.com/lists/oss-security/2023/09/29/9
• http://www.openwall.com/lists/oss-security/2023/09/30/1
• http://www.openwall.com/lists/oss-security/2023/09/30/2
• http://www.openwall.com/lists/oss-security/2023/09/30/3
• http://www.openwall.com/lists/oss-security/2023/09/30/4
• http://www.openwall.com/lists/oss-security/2023/09/30/5
• http://www.openwall.com/lists/oss-security/2023/10/01/1
• http://www.openwall.com/lists/oss-security/2023/10/01/2
• http://www.openwall.com/lists/oss-security/2023/10/01/5
• http://www.openwall.com/lists/oss-security/2023/10/02/6
• http://www.openwall.com/lists/oss-security/2023/10/03/11
• https://arstechnica.com/security/2023/09/new-0-day-in-chrome-and-firefox-is-likely-to-pla…
• https://bugzilla.redhat.com/show_bug.cgi?id=2241191
• https://security-tracker.debian.org/tracker/CVE-2023-5217
• https://security.gentoo.org/glsa/202310-04
• https://security.gentoo.org/glsa/202401-34
• https://stackdiary.com/google-discloses-a-webm-vp8-bug-tracked-as-cve-2023-5217
• https://support.apple.com/kb/HT213961
• https://support.apple.com/kb/HT213972
• https://twitter.com/maddiestone/status/1707163313711497266
• https://www.mozilla.org/en-US/security/advisories/mfsa2023-44
• https://www.openwall.com/lists/oss-security/2023/09/28/5
• advisories/GHSA-qqvq-6xgj-jw8g
• webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590
• https://crbug.com/1486441

References

• CVE Record
• NVD entry