Disclosure summary
Libsoup: heap use-after-free in libsoup message queue handling during http/2 read completion
Source-reported weakness categories
CWE-416
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) · 2025-Oct
Open original source · Updated Dec 23, 2025
Libsoup: heap use-after-free in libsoup message queue handling during http/2 read completion
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 7.5
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 libsoup 3.4.4-10 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 3.4.4-11 · product IDs 20625-17084
- Vendor guidance · product IDs 20625-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2025-12-20T20:01:54-05:00
MODIFIED 2025-12-23T20:38:08-05:00
INGESTED 2026-10-08T12:45:32-04:00