CVE-2026-56132
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
39/100
Published: 2026-06-19
Modified: 2026-10-26
First seen: 2026-10-29
Status: active
Attack Surface
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Local
AC:
High
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
Low
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.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| libexpat_project | libexpat | < 2.8.2 |
References & Advisories (1)
Patch