CVE-2026-86137
In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.
- Published Sep 5, 2026
- CVSS 6.1 medium
- 0.2% chance of exploitation in the next 30 days (EPSS)
- Public exploit code is available
- A fix is available