CVE-2022-35164 Use after free in n/a

Critical 9.8 Published 18 Aug 2022 Updated 3 Aug 2024

A heap use-after-free in LibreDWG allows attackers to execute arbitrary code or cause denial of service via crafted DWG files.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2022-35164?

CVE-2022-35164 is a critical use after free vulnerability in Gnu Libredwg, published on 18 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

LibreDWG v0.12.4.4608 & commit f2dea29 was discovered to contain a heap use-after-free via bit_copy_chain.

Weakness: CWE-416

Which versions are affected by CVE-2022-35164?

It affects 1 product.

Linux distribution packages (1)

libredwg openSUSE:Tumbleweed All versions 0.12.5-3.1

Products include Gnu Libredwg.

How do I fix CVE-2022-35164?

Apply the vendor's patch.

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-2022-35164 being exploited?

There is no known exploitation of CVE-2022-35164 in the wild and no public exploit code.

All Gnu Libredwg vulnerabilities

Sources

Also known as GHSA-c2cm-gvqh-rxhh, openSUSE-SU-2024:12276-1.