CVE-2019-7147

nasm: Buffer over-read in function crc64ib in crc64.c resulting in denial of service

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Severity

Low

Red Hat Product Security

5.5

CVSS 3.0

Review impact separately from score.

Published · January 1, 2019

Updated · November 22, 2025

Description

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.

Statement

This issue did not affect the versions of nasm as shipped with Red Hat Enterprise Linux 5, 6, and 7.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-125 · Out-of-bounds Read