CVE-2022-33047 Use after free in n/a

Critical 9.8 Published 6 Jul 2022 Updated 9 Jul 2026

A heap buffer overflow after free in OTFCC allows attackers to execute arbitrary code or cause denial of service via crafted font 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 CVE-2022-33047?

CVE-2022-33047 is a critical use after free vulnerability in Otfcc Project Otfcc, published on 6 Jul 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OTFCC v0.10.4 was discovered to contain a heap buffer overflow after free via otfccbuild.c.

Weakness: CWE-787

Which versions are affected by CVE-2022-33047?

It affects 1 product.

Products include Otfcc Project Otfcc.

How do I fix CVE-2022-33047?

No fix has been published for CVE-2022-33047 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2022-33047 being exploited?

There is no known exploitation of CVE-2022-33047 in the wild and no public exploit code.

All Otfcc Project Otfcc vulnerabilities

Sources

Also known as DEBIAN-CVE-2022-33047, ECHO-0686-51d9-9b76, GHSA-9wwr-74pw-r9j7.