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CVE-2026-86139

In libxml2 before 2.15.4, xmlURIEscapeStr in uri.c has an integer overflow.

Xmlsoft · Published 2026-09-05 · CVSS

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

AVAttack Vector: Local
ACAttack Complexity: Low
PRPrivileges Required: Low
UIUser Interaction: None
SScope: Unchanged
CConfidentiality: High
IIntegrity: High
AAvailability: High

high

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