OSV-2026-579 Heap-buffer-overflow in CEA708_DTVCC_Demuxer_Push

Not scored Published

A heap buffer overflow in the CEA708 demuxer allows attackers to cause crashes or potentially execute code via malicious media files.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is OSV-2026-579?

OSV-2026-579 is a memory corruption vulnerability in vlc, published on 17 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=502906444

Crash type: Heap-buffer-overflow READ 1
Crash state:
CEA708_DTVCC_Demuxer_Push
DoDecode
Decode

Which versions are affected by OSV-2026-579?

1 open source package ship an affected version, including vlc.

PackageAffectedFixed in
vlc OSS-FuzzAll versionsNone

How do I fix OSV-2026-579?

No fix has been published for OSV-2026-579 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is OSV-2026-579 being exploited?

There is no known exploitation of OSV-2026-579 in the wild and no public exploit code.

Sources

Is OSV-2026-579 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free