CVE-2026-79513 Denial of service in n/a

Medium 6.5 Published 9 Sep 2026 Updated 14 Sep 2026

Attackers can cause a Denial of Service in GPAC by submitting a crafted MPD SegmentTimeline that triggers a divide-by-zero error.

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: None listed

What is CVE-2026-79513?

CVE-2026-79513 is a medium-severity denial of service vulnerability in Gpac Gpac, published on 9 Sep 2026. 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

A divide-by-zero vulnerability in the gf_dash_get_timeline_duration function (src/media_tools/dash_client.c) of GPAC v26.07.0 allows attackers to cause a Denial of Service (DoS) via a crafted MPD SegmentTimeline. Fixed in 2fd5a06ab226767900fd86edb5a1e8bfc1010640.

Weakness: CWE-369

Which versions are affected by CVE-2026-79513?

It affects 1 product.

Products include Gpac Gpac.

How do I fix CVE-2026-79513?

No fix has been published for CVE-2026-79513 yet. Limit exposure of the affected software until one is available.

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-2026-79513 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-79513 exists.

All Gpac Gpac vulnerabilities

Sources

Also known as GHSA-893v-gjhq-c9v3, UBUNTU-CVE-2026-79513.