Integer Underflow (Wrap or Wraparound)
CVE-2020-14346
Summary
A flaw was found in xorg-x11-server before 1.20.9. An integer underflow in the X input extension protocol decoding in the X server may lead to arbitrary access of memory contents. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
- LOW
- LOCAL
- HIGH
- UNCHANGED
- NONE
- LOW
- HIGH
- HIGH
CWE-191 - Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
References
Advisory Timeline
- Published
