CVE-2018-18928 Integer overflow in n/a

Critical 9.8 Published 4 Nov 2018 Updated 14 Oct 2026

An integer overflow in the ICU library's number formatting can lead to denial of service, affecting applications using this 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-2018-18928?

CVE-2018-18928 is a critical vulnerability in n/a, published on 4 Nov 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in number::impl::DecimalQuantity::toScientificString() in i18n/number_decimalquantity.cpp.

Weakness: CWE-190

Which versions are affected by CVE-2018-18928?

It affects 1 product.

Products include Icu-Project International Components for Unicode.

How do I fix CVE-2018-18928?

Upgrade to a fixed version.

Is CVE-2018-18928 being exploited?

There is no known exploitation of CVE-2018-18928 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2018-18928, GHSA-m2ch-6888-5mgr, MGASA-2019-0353.