Disclosure summary
Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input
Source-reported weakness categories
CWE-20
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-Apr
Open original source · Updated Sep 24, 2026
Denial of Service (DoS) vulnerability exists in the Protobuf PHP library during the parsing of untrusted input
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 mysql 8.0.45-2 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 protobuf 3.17.3-5 on CBL Mariner 2.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 pytorch 2.2.2-12 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | azl3 protobuf 25.3-6 on Azure Linux 3.0 | (MSRC status code 3) |
| Microsoft update guide | cbl2 protobuf 3.17.3-5 on CBL-Mariner 2.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 25.3-7 · product IDs 21232-17084
- Vendor guidance · product IDs 21232-17084
- Release Notes · product IDs 21233-21692
- Vendor guidance · product IDs 21233-21692
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-04-22T21:11:06-04:00
MODIFIED 2026-09-24T22:06:56-04:00
INGESTED 2026-10-08T12:45:03-04:00