CVE-2025-47808 Null dereference in n/a

Medium 5.6 Published Updated

A NULL pointer dereference in GStreamer's subparse plugin allows attackers to cause a denial of service via a crafted subtitle file.

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

What is CVE-2025-47808?

CVE-2025-47808 is a medium-severity vulnerability in Gstreamer Gstreamer, published on 7 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In GStreamer through 1.26.1, the subparse plugin's tmplayer_parse_line function may dereference a NULL pointer while parsing a subtitle file, leading to a crash.

Weakness: CWE-476

Which versions are affected by CVE-2025-47808?

It affects 1 product.

Products include Gstreamer Gstreamer.

How do I fix CVE-2025-47808?

Upgrade to a fixed version.

Is CVE-2025-47808 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-47808 exists.

All Gstreamer Gstreamer vulnerabilities

Sources

Also known as ALPINE-CVE-2025-47808, AZL-66177, AZL-66192, BELL-CVE-2025-47808, DEBIAN-CVE-2025-47808, GHSA-qpmm-4hhq-c2qc and 1 more.

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