CVE-2026-86142
In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.
- Published Sep 5, 2026
- CVSS 7.8 high
- 0.2% chance of exploitation in the next 30 days (EPSS)
- A fix is available