Out-of-bounds Read in Nasm Netwide_assembler

CVE-2018-8881

Netwide Assembler (NASM) 2.13.02rc2 has a heap-based buffer over-read in the function tokenize in asm/preproc.c, related to an unterminated string.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/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-2018-8881?
CVE-2018-8881 is a high-severity vulnerability in Nasm Netwide_assembler, classified under Out-of-bounds Read. CVSS score: 7.3/10. Published 2018-03-20.
How severe is CVE-2018-8881?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2018-8881 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.