OSV-2023-1378 Heap-buffer-overflow in ih264d_get_bits_h264

Not scored Published

A heap-buffer-overflow in the H.264 decoder 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-2023-1378?

OSV-2023-1378 is a memory corruption vulnerability in libavc, published on 31 Dec 2023. 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=65418

Crash type: Heap-buffer-overflow READ 4
Crash state:
ih264d_get_bits_h264
ih264d_parse_fgc
ih264d_parse_sei_payload

Which versions are affected by OSV-2023-1378?

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

PackageAffectedFixed in
libavc OSS-FuzzAll versionsNone

How do I fix OSV-2023-1378?

No fix has been published for OSV-2023-1378 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-2023-1378 being exploited?

There is no known exploitation of OSV-2023-1378 in the wild and no public exploit code.

Sources

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