Disclosure summary
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack
Source-reported weakness categories
CWE-193
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-Mar
Open original source · Updated Apr 07, 2026
XML::Parser versions through 2.47 for Perl has an off-by-one heap buffer overflow in st_serial_stack
Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.
Microsoft maximum product score: 8.6
| Vendor | Product / association | Version / bounds |
|---|---|---|
| Microsoft update guide | azl3 perl-XML-Parser 2.47-1 on Azure Linux 3.0 | (MSRC status code 3) |
Vendor remediation references
- CBL-Mariner Releases · build 2.47-2 · product IDs 21069-17084
- Vendor guidance · product IDs 21069-17084
Original records & references
- NIST NVD record
- CVE Program record
- msrc.microsoft.com — Vendor advisory
PUBLISHED 2026-03-19T21:04:51-04:00
MODIFIED 2026-04-07T21:40:48-04:00
INGESTED 2026-10-08T12:45:08-04:00