Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

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Vendors Products
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Bentley Subscribe
Seequent Leapfrog Subscribe
Debian Linux Subscribe
Fedoraproject Subscribe
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Edge Chromium Subscribe
Webp Image Extension Subscribe
Mozilla Subscribe
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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3568-1 firefox-esr security update
Debian DLA Debian DLA DLA-3569-1 thunderbird security update
Debian DLA Debian DLA DLA-3570-1 libwebp security update
Debian DSA Debian DSA DSA-5496-1 firefox-esr security update
Debian DSA Debian DSA DSA-5497-1 libwebp security update
Debian DSA Debian DSA DSA-5497-2 libwebp security update
Debian DSA Debian DSA DSA-5498-1 thunderbird security update
Github GHSA Github GHSA GHSA-j7hp-h8jx-5ppr libwebp: OOB write in BuildHuffmanTable
Ubuntu USN Ubuntu USN USN-6367-1 Firefox vulnerability
Ubuntu USN Ubuntu USN USN-6368-1 Thunderbird vulnerabilities
Ubuntu USN Ubuntu USN USN-6369-1 libwebp vulnerability
Ubuntu USN Ubuntu USN USN-6369-2 libwebp vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
Link Providers
http://www.openwall.com/lists/oss-security/2023/09/21/4 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/22/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/22/3 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/22/4 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/22/5 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/22/6 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/22/7 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/22/8 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/26/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/26/7 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/28/1 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/28/2 cve-icon cve-icon
http://www.openwall.com/lists/oss-security/2023/09/28/4 cve-icon cve-icon
https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/ cve-icon cve-icon
https://blog.isosceles.com/the-webp-0day/ cve-icon cve-icon
https://bugzilla.suse.com/show_bug.cgi?id=1215231 cve-icon cve-icon
https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html cve-icon cve-icon
https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_12.html cve-icon
https://crbug.com/1479274 cve-icon cve-icon
https://en.bandisoft.com/honeyview/history/ cve-icon cve-icon
https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a cve-icon cve-icon
https://github.com/webmproject/libwebp/releases/tag/v1.3.2 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/ cve-icon cve-icon
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863 cve-icon cve-icon
https://news.ycombinator.com/item?id=37478403 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2023-4863 cve-icon
https://security-tracker.debian.org/tracker/CVE-2023-4863 cve-icon cve-icon
https://security.gentoo.org/glsa/202309-05 cve-icon cve-icon
https://security.gentoo.org/glsa/202401-10 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20230929-0011/ cve-icon cve-icon
https://sethmlarson.dev/security-developer-in-residence-weekly-report-16 cve-icon cve-icon
https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/ cve-icon cve-icon cve-icon
https://www.bentley.com/advisories/be-2023-0001/ cve-icon cve-icon
https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/ cve-icon cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog cve-icon
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863 cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2023-4863 cve-icon
https://www.debian.org/security/2023/dsa-5496 cve-icon cve-icon
https://www.debian.org/security/2023/dsa-5497 cve-icon cve-icon
https://www.debian.org/security/2023/dsa-5498 cve-icon cve-icon
https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/ cve-icon cve-icon cve-icon
https://www.vicarius.io/vsociety/posts/zero-day-webp-vulnerability-cve-2023-4863 cve-icon
History

Tue, 21 Oct 2025 23:30:00 +0000


Tue, 21 Oct 2025 20:30:00 +0000


Tue, 21 Oct 2025 19:30:00 +0000


Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.93949}

epss

{'score': 0.94165}


Mon, 03 Feb 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2023-09-13'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 20 Dec 2024 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Bandisoft
Bandisoft honeyview
CPEs cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:teams:1.6.00.26463:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:teams:1.6.00.26474:*:*:*:*:desktop:*:*
cpe:2.3:a:microsoft:webp_image_extension:1.0.62681.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:bandisoft:honeyview:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:teams:*:*:*:*:*:macos:*:*
cpe:2.3:a:microsoft:teams:*:*:*:*:desktop:*:*:*
cpe:2.3:a:microsoft:webp_image_extension:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*
Vendors & Products Microsoft edge
Mozilla firefox Esr
Bandisoft
Bandisoft honeyview

Fri, 22 Nov 2024 12:00:00 +0000


Wed, 14 Aug 2024 01:00:00 +0000

Type Values Removed Values Added
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Chrome

Published:

Updated: 2025-10-21T23:05:38.429Z

Reserved: 2023-09-09T01:02:58.312Z

Link: CVE-2023-4863

cve-icon Vulnrichment

Updated: 2024-08-19T07:48:10.265Z

cve-icon NVD

Status : Analyzed

Published: 2023-09-12T15:15:24.327

Modified: 2025-10-24T14:07:28.793

Link: CVE-2023-4863

cve-icon Redhat

Severity : Important

Publid Date: 2023-09-11T00:00:00Z

Links: CVE-2023-4863 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses