Out-of-bounds Read in Nasm Netwide Assembler

CVE-2019-7147

A buffer over-read exists in the function crc64ib in crc64.c in nasmlib in Netwide Assembler (NASM) 2.14rc16. A crafted asm input can cause segmentation faults, leading to denial-of-service.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (51.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2019-7147?
CVE-2019-7147 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2019-01-29.
How severe is CVE-2019-7147?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2019-7147 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.