Integer Overflow or Wraparound

Affecting icu package, versions <57.1-6+deb9u4

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Overview

An issue was discovered in International Components for Unicode (ICU) for C/C++ through 66.1. An integer overflow, leading to a heap-based buffer overflow, exists in the UnicodeString::doAppend() function in common/unistr.cpp.

References

CVSS Score

8.8
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    High
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVE
CVE-2020-10531
CWE
CWE-190
Snyk ID
SNYK-DEBIAN9-ICU-560091
Disclosed
12 Mar, 2020
Published
12 Mar, 2020