CVE-2023-4863: libwebp: OOB write in BuildHuffmanTable
8.8
CVSS Score
3.1
Basic Information
CVE ID
GHSA ID
EPSS Score
0.99877%
CWE
Published
9/12/2023
Updated
1/8/2024
KEV Status
Yes
Technology
Rust
RustTechnical Details
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| libwebp-sys2 | rust | < 0.1.8 | 0.1.8 |
| libwebp-sys | rust | < 0.9.3 | 0.9.3 |
| electron | npm | >= 22.0.0, < 22.3.24 | 22.3.24 |
| electron | npm | >= 24.0.0, < 24.8.3 | 24.8.3 |
| electron | npm | >= 25.0.0, < 25.8.1 | 25.8.1 |
| electron | npm | >= 26.0.0, < 26.2.1 | 26.2.1 |
| electron | npm | >= 27.0.0-beta.1, < 27.0.0-beta.2 | 27.0.0-beta.2 |
| SkiaSharp | nuget | >= 2.0.0, < 2.88.6 | 2.88.6 |
| github.com/chai2010/webp | go | >= 1.0.0 | |
| Pillow | pip | < 10.0.1 | 10.0.1 |
| webp | rust | < 0.2.6 | 0.2.6 |
| magick.net-q16-anycpu | nuget | < 13.3.0 | 13.3.0 |
| magick.net-q16-hdri-anycpu | nuget | < 13.3.0 | 13.3.0 |
| magick.net-q16-x64 | nuget | < 13.3.0 | 13.3.0 |
| magick.net-q8-anycpu | nuget | < 13.3.0 | 13.3.0 |
| magick.net-q8-openmp-x64 | nuget | < 13.3.0 | 13.3.0 |
| magick.net-q8-x64 | nuget | < 13.3.0 | 13.3.0 |
Vulnerability Intelligence
Miggo AI
Miggo AIRoot Cause Analysis
The GitHub commit 902bc91 explicitly shows fixes in BuildHuffmanTable related to Huffman table size validation and memory allocation. Multiple vendor advisories (Chromium, Mozilla, Pillow) reference libwebp's BuildHuffmanTable as the root cause. The CVE description specifically mentions the overflow occurs during Huffman table construction. The vulnerability manifests when processing malicious WebP images that trigger invalid Huffman table allocations.