7.8

CVE-2018-19215: nasm netwide_assembler Out-of-bounds Read

CVSS: 7.8v3.0HighModified
AliasesUBUNTU-CVE-2018-19215DEBIAN-CVE-2018-19215
Published 12-11-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-19215 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in nasm netwide_assembler. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 68.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
1.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 3
MGASA-2020-0303OPENSUSE-SU-2020:0952-1OPENSUSE-SU-2020:0954-1SUSE-SU-2020:1843-1

Timeline

  1. 12-11-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.24%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.24% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.24%

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
  • nasm< 2.14-1
Nasm1 product
Redhat1 product
Ubuntu1 product
  • nasmAll versions (No fix recorded)

4 vendors · 4 products

References

7 links