CVE-2018-1000667: nasm netwide_assembler
Vulnerability summary
CVE-2018-1000667 is a medium (CVSS 5.5) vulnerability in nasm netwide_assembler. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 68.3% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 06-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
NASM nasm-2.13.03 nasm- 2.14rc15 version 2.14rc15 and earlier contains a memory corruption (crashed) of nasm when handling a crafted file due to function assemble_file(inname, depend_ptr) at asm/nasm.c:482. vulnerability in function assemble_file(inname, depend_ptr) at asm/nasm.c:482. that can result in aborting/crash nasm program. This attack appear to be exploitable via a specially crafted asm file..
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.23%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
0.00 pp
From 1.23% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundNasm
Maturity: poc
Exploit Reference (bugzilla.nasm.us)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- nasm< 2.14-1
Nasm1 product
- netwide_assembler≤ 2.14.0 | 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:rc15 | 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