SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-7868

International Components for Unicode (ICU) for C/C++ before 2017-02-13 has an out-of-bounds write caused by a heap-based buffer overflow related to the utf8TextAccess function in common/utext.cpp and the utext_moveIndex32* function.

HIGH 7.5EPSS 4.45%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.45%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

International Components for Unicode (ICU) for C/C++ before 2017-02-13 has an out-of-bounds write caused by a heap-based buffer overflow related to the utf8TextAccess function in common/utext.cpp and the utext_moveIndex32* function.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
4.45% probability · 91th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
icu-project/international components for unicode · debian/debian linux
Source
cve@mitre.org
EPSS trend
0%3%5%27 October 2026: 4.45%27 October 202627 October 2026

EPSS 4.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.