Use After Free in Nasm Netwide_assembler
CVE-2019-8343
In Netwide Assembler (NASM) 2.14.02, there is a use-after-free in paste_tokens in asm/preproc.c.
Vulnerability class: Use-After-Free
EPSS: 0.011 (63.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Nasm Netwide_assembler — versions 2.14.02
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2019-8343?
- CVE-2019-8343 is a high-severity vulnerability in Nasm Netwide_assembler, classified under Use After Free. CVSS score: 7.8/10. Published 2019-02-15.
- How severe is CVE-2019-8343?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-8343 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.