5.5

CVE-2018-16517: nasm netwide_assembler NULL Pointer Dereference

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2018-16517DEBIAN-CVE-2018-16517
Published 06-09-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-16517 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in nasm netwide_assembler. EPSS estimates a 5.17% chance of exploitation in the next 30 days, higher than 92.3% of scored vulnerabilities. 4 public exploits are recorded.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
5.17%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits4reference, exploit-database

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. 06-09-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

asm/labels.c in Netwide Assembler (NASM) is prone to NULL Pointer Dereference, which allows the attacker to cause a denial of service via a crafted file.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

5.17%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 5.17% on 19-09-2026

19-09-202619-10-2026
EPSS score
5.17%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

4 found
  • referenceUnverified

    Exploit Reference (bugzilla.nasm.us)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (fakhrizulkifli.github.io)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

Show all 4 exploits
  • exploit-databasedosmultipleUnverified

    Netwide Assembler (NASM) 2.14rc15 - NULL Pointer Dereference (PoC)

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • nasm< 2.14-1
Nasm1 product
  • netwide_assembler≤ 2.13.03 | 2.14:rc15 | 2.14.0:rc1 | 2.14.0:rc10 | 2.14.0:rc11 | 2.14.0:rc12 | 2.14.0:rc13 | 2.14.0:rc14 | 2.14.0:rc2 | 2.14.0:rc3 | 2.14.0:rc4 | 2.14.0:rc5 | 2.14.0:rc6 | 2.14.0:rc7 | 2.14.0:rc8 | 2.14.0:rc9
Ubuntu1 product
  • nasmAll versions (No fix recorded)

3 vendors · 3 products

References

9 links