CVE-2019-20334

Public Exploit

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.23%
Vendor Advisory nasm.us Vendor Advisory nasm.us
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugzilla.nasm.us/show_bug.cgi?id=3392638 issue tracking exploit vendor advisory
https://bugzilla.nasm.us/show_bug.cgi?id=3392548#c4 issue tracking exploit vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-20334?
CVE-2019-20334 has been scored as a medium severity vulnerability.
How to fix CVE-2019-20334?
To fix CVE-2019-20334, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20334 being actively exploited in the wild?
It is possible that CVE-2019-20334 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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