CVE-2018-12932 Memory corruption in n/a

Critical 9.8 Published 28 Jun 2018 Updated 17 Sep 2024

Attackers can cause denial of service or potential code execution in Wine via a heap-based buffer overflow in PlayEnhMetaFileRecord.

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

What is CVE-2018-12932?

CVE-2018-12932 is a critical memory corruption vulnerability in n/a, published on 28 Jun 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

PlayEnhMetaFileRecord in enhmetafile.c in Wine 3.7 allows attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by triggering a large pAlphaBlend->cbBitsSrc value.

Weakness: CWE-787

Which versions are affected by CVE-2018-12932?

It affects 1 product.

Products include Winehq Wine.

How do I fix CVE-2018-12932?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-12932 being exploited?

There is no known exploitation of CVE-2018-12932 in the wild and no public exploit code.

CVE-2018-12933 Memory corruption in n/a Critical 9.8

Sources

Also known as DEBIAN-CVE-2018-12932, GHSA-9cf6-rh8j-xcr7, UBUNTU-CVE-2018-12932.