CVE-2022-46456 Memory corruption in n/a
A global buffer overflow in the NASM assembler allows attackers to execute arbitrary code or cause denial of service via crafted input.
- 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
- Available
What is CVE-2022-46456?
CVE-2022-46456 is a high-severity memory corruption vulnerability in Nasm Netwide Assembler, published on 4 Jan 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
NASM v2.16 was discovered to contain a global buffer overflow in the component dbgdbg_typevalue at /output/outdbg.c.
Weakness: CWE-120
Which versions are affected by CVE-2022-46456?
It affects 1 product.
Products include Nasm Netwide Assembler.
How do I fix CVE-2022-46456?
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-2022-46456 being exploited?
There is no known exploitation of CVE-2022-46456 in the wild and no public exploit code.
Other vulnerabilities in Nasm Netwide Assembler
Sources
Also known as AZL-12935, AZL-35024, DEBIAN-CVE-2022-46456, GHSA-cj3v-jx6q-7pw2, JLSEC-2026-204, UBUNTU-CVE-2022-46456.