zeromq libzmq

Name: zeromq libzmq
Brand: zeromq

productUS

cpe:2.3:a:zeromq:libzmq:*:*:*:*:*:*:*:*

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

by severity

2critical4high1medium0low

updated 2026-10-28

vulnerabilities (7)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2019-13132US	critical9.8	42.5% (99th)	Exploit	4.1.7	2019-07-10	3 versions
CVE-2019-6250US	high8.8	9.70% (95th)	Exploit	4.3.1	2019-01-13	2 versions
CVE-2021-20235US	high8.1	43.9% (99th)	—	4.3.3	2021-04-01	4.2.0 → 4.3.3
CVE-2020-15166US	high7.5	3.32% (89th)	—	4.3.3	2020-09-11	< 4.3.3
CVE-2020-36400US	critical9.8	1.84% (79th)	—	no fix	2021-07-01	= 4.3.3
CVE-2021-20237US	high7.5	1.69% (77th)	—	4.3.3	2021-05-28	4.2.0 → 4.3.3
CVE-2021-20234US	medium6.5	1.07% (65th)	—	4.3.3	2021-04-01	< 4.3.3

The flaw types (CWEs) most of these CVEs share.

CWE-400Uncontrolled Resource Consumption3 CVEs
CWE-787Out-of-bounds Write3 CVEs
CWE-401Missing Release of Memory after Effective Lifetime2 CVEs
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')1 CVEs
CWE-190Integer Overflow or Wraparound1 CVEs

Which sources assert this record, and when.

scry

Products carry known vulnerabilities once they are exposed to the internet. See what is exposed on your perimeter with a free passive scan.