Use After Free

Affecting libxslt package, versions <1.1.32-2.2~deb10u1

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Overview

In xsltCopyText in transform.c in libxslt 1.1.33, a pointer variable isn't reset under certain circumstances. If the relevant memory area happened to be freed and reused in a certain way, a bounds check could fail and memory outside a buffer could be written to, or uninitialized data could be disclosed.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE
CVE-2019-18197
CWE
CWE-416 CWE-908
Snyk ID
SNYK-DEBIAN10-LIBXSLT-473888
Disclosed
18 Oct, 2019
Published
19 Oct, 2019