OSV-2026-36 Heap-buffer-overflow in iTUNTripletCallback

Not scored Published

A heap-buffer-overflow in the MP4 metadata parsing callback allows attackers to cause crashes or potentially execute code via malicious files.

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

What is OSV-2026-36?

OSV-2026-36 is a memory corruption vulnerability in vlc, published on 13 Jan 2026.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=474821719

Crash type: Heap-buffer-overflow READ 4
Crash state:
iTUNTripletCallback
SetupMeta
MP4_LoadMeta

Which versions are affected by OSV-2026-36?

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

PackageAffectedFixed in
vlc OSS-FuzzAll versionsNone

How do I fix OSV-2026-36?

No fix has been published for OSV-2026-36 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-2026-36 being exploited?

There is no known exploitation of OSV-2026-36 in the wild and no public exploit code.

Sources

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