5.5

CVE-2022-46457: nasm netwide_assembler Out-of-bounds Read

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2022-46457DEBIAN-CVE-2022-46457
Published 04-01-2023Last modified 10-04-2025

Vulnerability summary

CVE-2022-46457 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in nasm netwide_assembler. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26% 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 · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 04-01-2023
    PublishedVulnerability first disclosed.
  2. 10-04-2025
    Last modifiedVulnerability information updated.

Description

NASM v2.16 was discovered to contain a segmentation violation in the component ieee_write_file at /output/outieee.c.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

26%

Versus all other CVEs

30-day change

0.00 pp

From 0.34% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.34%

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

Ubuntu2 products
  • nasmAll versions (No fix recorded)
  • qt6-webengineAll versions (No fix recorded)
Debian1 product
  • nasmAll versions (No fix recorded)
Nasm1 product
  • netwide_assembler2.16:rc1 | 2.16:rc10 | 2.16:rc11 | 2.16:rc2 | 2.16:rc3 | 2.16:rc4 | 2.16:rc5 | 2.16:rc6 | 2.16:rc7 | 2.16:rc8 | 2.16:rc9

3 vendors · 4 products

References

5 links