CVE-2026-56132

CVSS Score & Metrics

Base Score

6.9 / 10

Vector String

                                        CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L                                    

Vulnerability Description

In libexpat before 2.8.2, there is a heap-based buffer overflow in doProlog in xmlparse.c because scaffold backing array reallocation is mishandled when there is data-structure sharing across parsers.

Vulnerability Details

Published Date

June 19, 2026

Last Modified

June 19, 2026

CWE ID

CWE-821

Source

NVD

Vendor

libexpat project

Product

libexpat

External References

https://github.com/libexpat/libexpat/pull/1272

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

Discussion (0)

Add Comment