5.5

CVE-2019-6291: nasm netwide_assembler Uncontrolled Recursion

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2019-6291DEBIAN-CVE-2019-6291
Published 15-01-2019Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2019-6291 is a medium (CVSS 5.5) Uncontrolled Recursion vulnerability in nasm netwide_assembler. EPSS estimates a 1.27% chance of exploitation in the next 30 days, higher than 69.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 15-01-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.27%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.nasm.us)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • nasmAll versions (No fix recorded)
Nasm1 product
Ubuntu1 product
  • nasmAll versions (No fix recorded)

3 vendors · 3 products

References

4 links