Buffer overflow in Nasm Netwide_assembler

CVE-2023-31722

There exists a heap buffer overflow in nasm 2.16.02rc1 (GitHub commit: b952891).

Vulnerability class: Buffer Overflow

EPSS: 0.004 (27.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-31722?
CVE-2023-31722 is a high-severity vulnerability in Nasm Netwide_assembler, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2023-05-17.
How severe is CVE-2023-31722?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-31722 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.