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CVE-2019-15903

7.5 high SSVC exploitation: none Modified
NVD · CVE.org

In libexpat before 2.2.8, crafted XML input could fool the parser into changing from DTD parsing to document parsing too early; a consecutive call to XML_GetCurrentLineNumber (or XML_GetCurrentColumnNumber) then resulted in a heap-based buffer over-read.

Fix

Patch, vendor advisory and mitigation references on NVD 4

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.5 · libexpat_project, pythonNVD modified 2026-10-14 07:16

Affected (CPE criteria) 2

  • cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*
  • cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

References 119