CVE-2016-7972 Denial of service in n/a

What is CVE-2016-7972?

CVE-2016-7972 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 3 Mar 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The check_allocations function in libass/ass_shaper.c in libass before 0.13.4 allows remote attackers to cause a denial of service (memory allocation failure) via unspecified vectors.

Weakness: CWE-399

Which versions are affected by CVE-2016-7972?

It affects 4 products.

Products include Fedoraproject Fedora, Libass Project Libass, Opensuse Leap, Opensuse Opensuse.

How do I fix CVE-2016-7972?

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-2016-7972 being exploited?

There is no known exploitation of CVE-2016-7972 in the wild and no public exploit code.

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• CVE-2019-5544 VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow Exploited Critical 9.8
• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2016-7972, DEBIAN-CVE-2016-7972, GHSA-p6w9-gq3p-g5g4, UBUNTU-CVE-2016-7972.