{"cve":"CVE-2023-4863","nvd":{"published":"2023-09-12T15:15:24.327","modified":"2026-06-17T06:38:46.547","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)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-787"],"references":["http://www.openwall.com/lists/oss-security/2023/09/21/4","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"],"products":["bandisoft:honeyview","bentley:seequent_leapfrog","debian:debian_linux","fedoraproject:fedora","google:chrome","microsoft:edge_chromium","microsoft:teams","microsoft:webp_image_extension","mozilla:firefox","mozilla:thunderbird","netapp:active_iq_unified_manager","webmproject:libwebp"],"source":"nvd","synced_at":"2026-10-19T21:39:24.235896374+00:00"},"epss":{"cve":"CVE-2023-4863","score":0.99979,"percentile":0.9998,"date":"2026-10-31"},"kev":{"cve":"CVE-2023-4863","date_added":"2023-09-13","due_date":"2023-10-04","vendor":"Google","product":"Chromium WebP","known_ransomware":false},"osv":[{"id":"GHSA-j7hp-h8jx-5ppr","url":"https://osv.dev/vulnerability/GHSA-j7hp-h8jx-5ppr","summary":"libwebp: OOB write in BuildHuffmanTable","modified":"2026-09-10T03:50:01.877717636Z","packages":[{"ecosystem":"crates.io","name":"libwebp-sys2","purl":"pkg:cargo/libwebp-sys2","ranges":["<0.1.8"],"fixed":["0.1.8"]},{"ecosystem":"crates.io","name":"libwebp-sys","purl":"pkg:cargo/libwebp-sys","ranges":["<0.9.3"],"fixed":["0.9.3"]},{"ecosystem":"npm","name":"electron","purl":"pkg:npm/electron","ranges":[">=22.0.0 <22.3.24"],"fixed":["22.3.24"]},{"ecosystem":"npm","name":"electron","purl":"pkg:npm/electron","ranges":[">=24.0.0 <24.8.3"],"fixed":["24.8.3"]},{"ecosystem":"npm","name":"electron","purl":"pkg:npm/electron","ranges":[">=25.0.0 <25.8.1"],"fixed":["25.8.1"]},{"ecosystem":"npm","name":"electron","purl":"pkg:npm/electron","ranges":[">=26.0.0 <26.2.1"],"fixed":["26.2.1"]},{"ecosystem":"npm","name":"electron","purl":"pkg:npm/electron","ranges":[">=27.0.0-beta.1 <27.0.0-beta.2"],"fixed":["27.0.0-beta.2"]},{"ecosystem":"NuGet","name":"SkiaSharp","purl":"pkg:nuget/SkiaSharp","ranges":[">=2.0.0 <2.88.6"],"fixed":["2.88.6"]},{"ecosystem":"Go","name":"github.com/chai2010/webp","purl":"pkg:golang/github.com/chai2010/webp","ranges":[">=1.1.2 <1.4.0"],"fixed":["1.4.0"]},{"ecosystem":"PyPI","name":"pillow","purl":"pkg:pypi/pillow","ranges":["<10.0.1"],"fixed":["10.0.1"]},{"ecosystem":"crates.io","name":"webp","purl":"pkg:cargo/webp","ranges":["<0.2.6"],"fixed":["0.2.6"]},{"ecosystem":"NuGet","name":"magick.net-q16-anycpu","purl":"pkg:nuget/magick.net-q16-anycpu","ranges":["<13.3.0"],"fixed":["13.3.0"]},{"ecosystem":"NuGet","name":"magick.net-q16-hdri-anycpu","purl":"pkg:nuget/magick.net-q16-hdri-anycpu","ranges":["<13.3.0"],"fixed":["13.3.0"]},{"ecosystem":"NuGet","name":"magick.net-q16-x64","purl":"pkg:nuget/magick.net-q16-x64","ranges":["<13.3.0"],"fixed":["13.3.0"]},{"ecosystem":"NuGet","name":"magick.net-q8-anycpu","purl":"pkg:nuget/magick.net-q8-anycpu","ranges":["<13.3.0"],"fixed":["13.3.0"]},{"ecosystem":"NuGet","name":"magick.net-q8-openmp-x64","purl":"pkg:nuget/magick.net-q8-openmp-x64","ranges":["<13.3.0"],"fixed":["13.3.0"]},{"ecosystem":"NuGet","name":"magick.net-q8-x64","purl":"pkg:nuget/magick.net-q8-x64","ranges":["<13.3.0"],"fixed":["13.3.0"]},{"ecosystem":"Go","name":"github.com/chai2010/webp","purl":"pkg:golang/github.com/chai2010/webp","ranges":["<0.0.0-20250406010349-76805d5a8860"],"fixed":["0.0.0-20250406010349-76805d5a8860"]},{"ecosystem":"Go","name":"github.com/chai2010/webp","purl":"pkg:golang/github.com/chai2010/webp","ranges":[">=0.0.0 <1.1.2-0.20250406010349-76805d5a8860"],"fixed":["1.1.2-0.20250406010349-76805d5a8860"]}]},{"id":"PYSEC-2026-1794","url":"https://osv.dev/vulnerability/PYSEC-2026-1794","summary":"libwebp: OOB write in BuildHuffmanTable","modified":"2026-07-07T17:56:20.858779255Z","packages":[{"ecosystem":"PyPI","name":"pillow","purl":"pkg:pypi/pillow","ranges":["<10.0.1"],"fixed":["10.0.1"]}]},{"id":"RUSTSEC-2023-0060","url":"https://osv.dev/vulnerability/RUSTSEC-2023-0060","summary":"libwebp: OOB write in BuildHuffmanTable","modified":"2026-07-07T17:56:20.858779255Z","packages":[{"ecosystem":"crates.io","name":"libwebp-sys2","purl":"pkg:cargo/libwebp-sys2","ranges":[">=0.0.0-0 <0.1.8"],"fixed":["0.1.8"]}]},{"id":"RUSTSEC-2023-0061","url":"https://osv.dev/vulnerability/RUSTSEC-2023-0061","summary":"libwebp: OOB write in BuildHuffmanTable","modified":"2026-07-07T17:56:20.858779255Z","packages":[{"ecosystem":"crates.io","name":"libwebp-sys","purl":"pkg:cargo/libwebp-sys","ranges":[">=0.0.0-0 <0.9.3"],"fixed":["0.9.3"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}