7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.011 Low
EPSS
Percentile
83.8%
The resolveImplicitLevels function in common/ubidi.c in the Unicode
Bidirectional Algorithm implementation in ICU4C in International Components
for Unicode (ICU) before 55.1 does not properly track directionally
isolated pieces of text, which allows remote attackers to cause a denial of
service (heap-based buffer overflow) or possibly execute arbitrary code via
crafted text.