CVE-2023-26733 Memory corruption in n/a

High 7.8 Published Updated

A local attacker can cause a denial of service in the tinyTIFF library via a buffer overflow in the frame reading function.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-26733?

CVE-2023-26733 is a high-severity memory corruption vulnerability in n/a, published on 4 Apr 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Buffer Overflow vulnerability found in tinyTIFF v.3.0 allows a local attacker to cause a denial of service via the TinyTiffReader_readNextFrame function in tinytiffreader.c file.

Weakness: CWE-120

Which versions are affected by CVE-2023-26733?

It affects 1 product.

Products include Tinytiff Project Tinytiff.

How do I fix CVE-2023-26733?

No fix has been published for CVE-2023-26733 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 CVE-2023-26733 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-26733 exists.

Sources

Also known as GHSA-x6cc-r4w4-6rjq.

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