CVE-2015-9274 Denial of service in n/a

Medium 6.5 Published 15 Nov 2018 Updated 6 Aug 2024

Remote attackers can crash applications using HarfBuzz by exploiting invalid memory reads in GPOS and GSUB table handling.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2015-9274?

CVE-2015-9274 is a medium-severity denial of service vulnerability in n/a, published on 15 Nov 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

HarfBuzz before 1.0.4 allows remote attackers to cause a denial of service (invalid read of two bytes and application crash) because of GPOS and GSUB table mishandling, related to hb-ot-layout-gpos-table.hh, hb-ot-layout-gsub-table.hh, and hb-ot-layout-gsubgpos-private.hh.

Weakness: CWE-125

Which versions are affected by CVE-2015-9274?

It affects 1 product.

Products include Harfbuzz Project Harfbuzz.

How do I fix CVE-2015-9274?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2015-9274 being exploited?

There is no known exploitation of CVE-2015-9274 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2015-9274, GHSA-95rc-6f28-2jcq, UBUNTU-CVE-2015-9274, USN-5746-1.