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    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)

    Published:Sep 27, 2023
    Last Modified:Oct 24, 2025
    EPS:Sep 28, 2023
    EPSS Score:0.02715
    CVSS Score:8.8

    CISA Notification

    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)

    Required Action:

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

    Notes:

    No extra notes provided.

    Due Date
    Oct 23, 2023
    1054 days ago
    Alert Date
    Oct 2, 2023
    1075 days ago

    Affected Products

    Vendor
    Apple
    Product
    Ipados
    Vendor
    Apple
    Product
    Iphone Os
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Google
    Product
    Chrome
    Vendor
    Microsoft
    Product
    Edge
    Vendor
    Microsoft
    Product
    Edge Chromium
    Vendor
    Mozilla
    Product
    Firefox
    Vendor
    Mozilla
    Product
    Thunderbird
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Rhel Aus
    Vendor
    Redhat
    Product
    Rhel E4s
    Vendor
    Redhat
    Product
    Rhel Eus
    Vendor
    Redhat
    Product
    Rhel Tus
    Vendor
    Webmproject
    Product
    Libvpx

    Exploits

    https://crbug.com/1486441https://crbug.com/1486441https://github.com/Trinadh465/platform_external_libvpx_v1.4.0_CVE-2023-5217https://github.com/Trinadh465/platform_external_libvpx_v1.8.0_CVE-2023-5217https://github.com/UT-Security/cve-2023-5217-poc

    Related CVEs

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    CVE-2026-64760 (CVSS 5.5) — An information leakage was addressed with additional validation. This issue is fixed in iOS 18.7.10 and iPadOS…
    CVE-2026-43794 (CVSS 8.8) — A memory corruption issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65346 (CVSS 8.8) — An integer overflow was addressed with improved input validation. This issue is fixed in iOS 26.6.1 and iPadOS…
    CVE-2026-65351 (CVSS 4.3) — This issue was addressed through improved state management. This issue is fixed in Safari 26.6.1, iOS 26.6.1 a…
    CVE-2026-64782 (CVSS 3.1) — A memory corruption vulnerability was addressed with improved locking. This issue is fixed in Safari 26.6.1, i…
    CVE-2026-65347 (CVSS 6.5) — The issue was addressed with improved checks. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe…
    CVE-2026-43795 (CVSS 4.3) — The issue was addressed with improved memory handling. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and i…

    References

    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-plague-other-software/
    https://bugzilla.redhat.com/show_bug.cgi?id=2241191
    https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html
    https://crbug.com/1486441
    https://github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590
    https://github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282
    https://github.com/webmproject/libvpx/releases/tag/v1.13.1
    https://github.com/webmproject/libvpx/tags
    https://lists.debian.org/debian-lts-announce/2023/09/msg00038.html
    https://lists.debian.org/debian-lts-announce/2023/10/msg00001.html
    https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/4MFWDFJSSIFKWKNOCTQCFUNZWAXUCSS4/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/55YVCZNAVY3Y5E4DWPWMX2SPKZ2E5SOV/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/BCVSHVX2RFBU3RMCUFSATVQEJUFD4Q63/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/CWEJYS5NC7KVFYU3OAMPKQDYN6JQGVK6/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/TE7F54W5O5RS4ZMAAC7YK3CZWQXIDSKB/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/
    https://pastebin.com/TdkC4pDv
    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.debian.org/security/2023/dsa-5508
    https://www.debian.org/security/2023/dsa-5509
    https://www.debian.org/security/2023/dsa-5510
    https://www.mozilla.org/en-US/security/advisories/mfsa2023-44/
    https://www.openwall.com/lists/oss-security/2023/09/28/5
    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-plague-other-software/
    https://bugzilla.redhat.com/show_bug.cgi?id=2241191
    https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html
    https://crbug.com/1486441
    https://github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590
    https://github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282
    https://github.com/webmproject/libvpx/releases/tag/v1.13.1
    https://github.com/webmproject/libvpx/tags
    https://lists.debian.org/debian-lts-announce/2023/09/msg00038.html
    https://lists.debian.org/debian-lts-announce/2023/10/msg00001.html
    https://lists.debian.org/debian-lts-announce/2023/10/msg00015.html
    https://lists.fedoraproject.org/archives/list/[email protected]/message/4MFWDFJSSIFKWKNOCTQCFUNZWAXUCSS4/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/55YVCZNAVY3Y5E4DWPWMX2SPKZ2E5SOV/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/AY642Z6JZODQJE7Z62CFREVUHEGCXGPD/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/BCVSHVX2RFBU3RMCUFSATVQEJUFD4Q63/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/CWEJYS5NC7KVFYU3OAMPKQDYN6JQGVK6/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/TE7F54W5O5RS4ZMAAC7YK3CZWQXIDSKB/
    https://lists.fedoraproject.org/archives/list/[email protected]/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/
    https://pastebin.com/TdkC4pDv
    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.debian.org/security/2023/dsa-5508
    https://www.debian.org/security/2023/dsa-5509
    https://www.debian.org/security/2023/dsa-5510
    https://www.mozilla.org/en-US/security/advisories/mfsa2023-44/
    https://www.openwall.com/lists/oss-security/2023/09/28/5
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-5217

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High