Vulnerability in Nasm Netwide Assembler
CVE-2019-20334
In Netwide Assembler (NASM) 2.14.02, stack consumption occurs in expr# functions in asm/eval.c. This potentially affects the relationships among expr0, expr1, expr2, expr3, expr4, expr5, and expr6 (and stdscan in asm/stdscan.c). This is similar to CVE-2019-6290 and CVE-2019-6291.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (53.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Nasm Netwide Assembler — versions 2.14.02
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.nasm.us/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- bugzilla.nasm.us/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-20334?
- CVE-2019-20334 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under Uncontrolled Recursion. CVSS score: 5.5/10. Published 2020-01-04.
- How severe is CVE-2019-20334?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2019-20334 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.