Out-of-bounds Read

Affecting expat package, versions <2.1.0-6+deb8u6

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Overview

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.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2019-15903
CWE
CWE-125 CWE-776
Snyk ID
SNYK-DEBIAN8-EXPAT-460797
Disclosed
04 Sep, 2019
Published
04 Sep, 2019