Buffer Overflow Affecting libexpat package, versions [,2.6.3)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-UNMANAGED-LIBEXPAT-9653185
  • published30 Aug 2024
  • disclosed30 Aug 2024
  • creditTaiYou-TW

Introduced: 30 Aug 2024

CVE-2024-45490  (opens in a new tab)
CWE-120  (opens in a new tab)

How to fix?

Upgrade libexpat to version 2.6.3 or higher.

Overview

Affected versions of this package are vulnerable to Buffer Overflow due to improper handling of negative length values in XML_ParseBuffer. An attacker can cause a buffer overflow and potentially execute arbitrary code or cause a denial of service by supplying crafted XML input.

CVSS Base Scores

version 4.0
version 3.1