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.
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.34%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 04-01-2023PublishedVulnerability first disclosed.
- 10-04-2025Last 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 versionMedium 5.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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 score0.34%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.nasm.us)
Maturity: unknown
Weaknesses
CWE · root causeAffected 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