nanopb nanopb

Name: nanopb nanopb
Brand: nanopb

productEU

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

KEV-listed

EPSS ≥ 10%

by severity

1critical2high0medium0low

updated 2026-10-28

vulnerabilities (4)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2021-21401US	high7.1	1.81% (79th)	Exploit	no fix	2021-03-23	2 versions
CVE-2020-26243US	high7.5	2.66% (86th)	—	0.4.4	2020-11-25	2 versions
CVE-2020-5235US	critical9.8	1.73% (77th)	—	0.4.1	2020-02-04	3 versions
CVE-2024-53984US	—	0.41% (35th)	—	0.4.9.1	2024-12-02	0.4.0, → 0.4.9.1

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

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer1 CVEs
CWE-125Out-of-bounds Read1 CVEs
CWE-20Improper Input Validation1 CVEs
CWE-401Missing Release of Memory after Effective Lifetime1 CVEs
CWE-755Improper Handling of Exceptional Conditions1 CVEs
CWE-763Release of Invalid Pointer or Reference1 CVEs

Which sources assert this record, and when.

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