CVE-2023-4863
At a glance
- Severity
- HIGH 8.8
- Exploitation
- Known exploited (CISA KEV) · added 2023-09-13
Exploited per ENISA since 2023-09-13 - EPSS
- EPSS 99.98 % · percentile 100 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Chrome
- NVD status
- Analyzed
Description
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)
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Weaknesses (CWE)
Advisories
- GHSA-j7hp-h8jx-5ppr — libwebp: OOB write in BuildHuffmanTable
- PYSEC-2026-1794 — libwebp: OOB write in BuildHuffmanTable
European references
- ENISA EUVD · EUVD-2023-2533
- GCVE · GCVE-0-2023-4863
CERT-FR advisories
- CERTFR-2026-AVI-0218 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0031 — Multiples vulnérabilités dans les produits Fortinet · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0592 — Multiples vulnérabilités dans Synacor Zimbra Collaboration · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0575 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0209 — Multiples vulnérabilités dans les produits SAP · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0935 — Multiples vulnérabilités dans les produits Siemens · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0908 — Multiples vulnérabilités dans les produits NetApp · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0820 — Multiples vulnérabilités dans les produits ElasticSearch · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0811 — Multiples vulnérabilités dans Google Android · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0799 — Vulnérabilité dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0738 — Vulnérabilité dans Microsoft Edge · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0735 — Multiples vulnérabilités dans Google Chrome · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0734 — Vulnérabilité dans les produits Mozilla · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0730 — Vulnérabilité dans Google Chrome · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*< 116.0.5845.187cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*< 102.15.1cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*< 117.0.1cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:*≥ 115.1.0 < 115.2.1cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*< 102.15.1cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*≥ 115.0 < 115.2.2cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*< 116.0.1938.81cpe:2.3:a:microsoft:teams:*:*:*:*:*:macos:*:*< 1.6.00.26463cpe:2.3:a:microsoft:teams:*:*:*:*:desktop:*:*:*< 1.6.00.26474cpe:2.3:a:microsoft:webp_image_extension:*:*:*:*:*:*:*:*< 1.0.62681.0cpe:2.3:a:webmproject:libwebp:*:*:*:*:*:*:*:*< 1.3.2cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*cpe:2.3:a:bentley:seequent_leapfrog:*:*:*:*:*:*:*:*< 2023.2cpe:2.3:a:bandisoft:honeyview:*:*:*:*:*:*:*:*< 5.51
Affected products
| Product | Versions |
|---|---|
| Google · Chrome | affected 116.0.5845.187 < 116.0.5845.187 |
| Google · libwebp | affected 1.3.2 < 1.3.2 |
References
- https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_11.html
- https://crbug.com/1479274
- https://en.bandisoft.com/honeyview/history/
- https://stackdiary.com/critical-vulnerability-in-webp-codec-cve-2023-4863/
- https://www.mozilla.org/en-US/security/advisories/mfsa2023-40/
- https://github.com/webmproject/libwebp/commit/902bc9190331343b2017211debcec8d2ab87e17a
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4863
- https://security-tracker.debian.org/tracker/CVE-2023-4863
- https://bugzilla.suse.com/show_bug.cgi?id=1215231
- https://news.ycombinator.com/item?id=37478403
- https://www.bleepingcomputer.com/news/google/google-fixes-another-chrome-zero-day-bug-exploited-in-attacks/
- https://www.debian.org/security/2023/dsa-5496
- https://www.debian.org/security/2023/dsa-5497
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OZDGWWMJREPAGKWCJKSCM4WYLANSKIFX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FYYKLG6CRGEDTNRBSU26EEWAO6D6U645/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PYZV7TMKF4QHZ54SFJX54BDN52VHGGCX/
- https://lists.debian.org/debian-lts-announce/2023/09/msg00015.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WHOLML7N2G5KCAZXFWC5IDFFHSQS5SDB/
- https://www.debian.org/security/2023/dsa-5498
- https://security.gentoo.org/glsa/202309-05
- https://lists.debian.org/debian-lts-announce/2023/09/msg00016.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6T655QF7CQ3DYAMPFV7IECQYGDEUIVVT/
- https://adamcaudill.com/2023/09/14/whose-cve-is-it-anyway/
- https://github.com/webmproject/libwebp/releases/tag/v1.3.2
- https://lists.debian.org/debian-lts-announce/2023/09/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KUQ7CTX3W372X3UY56VVNAHCH6H2F4X3/
- http://www.openwall.com/lists/oss-security/2023/09/21/4
- https://blog.isosceles.com/the-webp-0day/
- http://www.openwall.com/lists/oss-security/2023/09/22/1
- http://www.openwall.com/lists/oss-security/2023/09/22/3
- http://www.openwall.com/lists/oss-security/2023/09/22/4
- http://www.openwall.com/lists/oss-security/2023/09/22/5
- http://www.openwall.com/lists/oss-security/2023/09/22/8
- http://www.openwall.com/lists/oss-security/2023/09/22/7
- http://www.openwall.com/lists/oss-security/2023/09/22/6
- http://www.openwall.com/lists/oss-security/2023/09/26/1
- http://www.openwall.com/lists/oss-security/2023/09/26/7
- http://www.openwall.com/lists/oss-security/2023/09/28/1
- http://www.openwall.com/lists/oss-security/2023/09/28/2
- http://www.openwall.com/lists/oss-security/2023/09/28/4
- https://security.netapp.com/advisory/ntap-20230929-0011/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WTRUIS3564P7ZLM2S2IH4Y4KZ327LI4I/
- https://sethmlarson.dev/security-developer-in-residence-weekly-report-16
- https://www.bentley.com/advisories/be-2023-0001/
- https://security.gentoo.org/glsa/202401-10
- https://www.vicarius.io/vsociety/posts/zero-day-webp-vulnerability-cve-2023-4863
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-4863
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| CISA Known Exploited Vulnerabilities | CC0 1.0 |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |