SB2017110819 - Fedora 26 update for icu



SB2017110819 - Fedora 26 update for icu

Published: November 8, 2017 Updated: April 24, 2025

Security Bulletin ID SB2017110819
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Double free memory error (CVE-ID: CVE-2017-14952)

CWE-ID: CWE-415 - Double Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to double free memory error in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++. A remote unauthenticated attacker can supply a ca specially crafted string, aka a "redundant UVector entry clean up function call" issue, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


Remediation

Install update from vendor's website.