CVE-2026-86142
Public on 2026-09-05
Modified on 2026-09-08
Description
In libxml2 before 2.15.4, there is a heap-based buffer overflow in xmlXPtrEvalXPtrPart because of xmlXPtrEval xpointer length saturation.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | libxml2 | Pending Fix | ||
| Amazon Linux 2023 | libxml2 | Pending Fix | ||
| Amazon Linux 2027 Preview | libxml2 | Pending Fix | ||
| Amazon Linux 2 - Core | pentaho-libxml | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 6.9 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H |