Disclosure summary
Libsoup: out-of-bounds read in libsoup websocket frame processing
Source-reported weakness categories
CWE-805
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
Microsoft Security Updates (CVRF) · 2026-Jan
Open original source · Updated Mar 31, 2026
Libsoup: out-of-bounds read in libsoup websocket frame processing
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 4.8
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 libsoup 3.4.4-14 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libsoup 3.4.4-11 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libsoup 3.0.4-10 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 libsoup 3.0.4-12 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 libsoup 3.4.4-12 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 3.4.4-14 · product IDs 21112-17084
- Vendor guidance · product IDs 21112-17084
- CBL-Mariner Releases · build 3.0.4-12 · product IDs 20601-17086, 20933-17086
- Vendor guidance · product IDs 20601-17086, 20933-17086
- CBL-Mariner Releases · build 3.4.4-13 · product IDs 20958-17084
- Vendor guidance · product IDs 20958-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-01-16T20:01:34-05:00
MODIFIED 2026-03-31T11:10:42-04:00
INGESTED 2026-10-08T12:45:21-04:00