CVE-2019-6291

Publication date 15 January 2019

Last updated 11 July 2025

Ubuntu priority

Negligible

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

Description

An issue was discovered in the function expr6 in eval.c in Netwide Assembler (NASM) through 2.14.02. There is a stack exhaustion problem caused by the expr6 function making recursive calls to itself in certain scenarios involving lots of '!' or '+' or '-' characters. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted asm file.

Read the notes from the security team

Status

Package Ubuntu Release Status
nasm 25.10 questing
Vulnerable, fix deferred
25.04 plucky
Vulnerable, fix deferred
24.10 oracular Ignored end of life, was deferred [2019-04-25]
24.04 LTS noble
Vulnerable, fix deferred
23.10 mantic Ignored end of life, was deferred [2019-04-25]
23.04 lunar Ignored end of life, was deferred [2019-04-25]
22.10 kinetic Ignored end of life, was deferred [2019-04-25]
22.04 LTS jammy
Vulnerable, fix deferred
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Vulnerable, fix deferred
19.10 eoan Ignored end of life
19.04 disco Ignored end of life
18.10 cosmic Ignored end of life
18.04 LTS bionic
Vulnerable, fix deferred
16.04 LTS xenial
Vulnerable, fix deferred
14.04 LTS trusty Not in release

Notes

mdeslaur

no fix as of 2019-04-25

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Other references