CVE-2026-86137
Low
Description
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.
SeverityLow
CVSS2.9
Exploit probability—
ProductXmlsoft Libxml2
PublishedSep 5, 2026
First seenSep 5, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- xmlsoft libxml22.15.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xmlsoft libxml2 | v < 2.15.4 | 2.15.4 |
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