CVE-2017-14952 Use after free in n/a

Critical 9.8 Published 16 Oct 2017 Updated 5 Aug 2024

Remote attackers can execute arbitrary code via a crafted string due to a double free vulnerability in the ICU library.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2017-14952?

CVE-2017-14952 is a critical use after free vulnerability in n/a, published on 16 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Double free in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++ through 59.1 allows remote attackers to execute arbitrary code via a crafted string, aka a "redundant UVector entry clean up function call" issue.

Weakness: CWE-415

Which versions are affected by CVE-2017-14952?

It affects 1 product.

Products include Icu-Project International Components for Unicode.

How do I fix CVE-2017-14952?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2017-14952 being exploited?

There is no known exploitation of CVE-2017-14952 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-14952, GHSA-35gv-g55r-237w, MGASA-2017-0411, UBUNTU-CVE-2017-14952, USN-3458-1.