The Wireshark Foundation Wireshark

Name: The Wireshark Foundation Wireshark
Brand: The Wireshark Foundation

productEU

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

KEV-listed

public exploit

EPSS ≥ 10%

critical

by severity

0critical5high6medium0low

updated 2026-10-28

vulnerabilities (11)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2020-26422US	medium5.3	4.72% (92nd)	—	3.4.2	2020-12-21	3.4.0, → 3.4.2
CVE-2021-22191US	high8.8	3.65% (90th)	—	3.4.4	2021-03-15	2 versions
CVE-2021-22235US	high7.5	3.43% (89th)	—	3.4.7	2021-07-20	2 versions
CVE-2020-26418US	medium5.3	3.00% (87th)	—	3.2.9	2020-12-11	2 versions
CVE-2020-26419US	medium5.3	2.93% (87th)	—	no fix	2020-12-11	≤ 3.4.0
CVE-2020-26420US	medium5.3	2.75% (86th)	—	3.2.9	2020-12-11	2 versions
CVE-2021-22174US	high7.5	2.75% (86th)	—	3.4.3	2021-02-17	3.4.0, → 3.4.3
CVE-2020-26421US	medium5.3	2.55% (85th)	—	3.2.9	2020-12-11	2 versions
CVE-2021-22173US	high7.5	2.41% (84th)	—	3.4.3	2021-02-17	3.4.0, → 3.4.3
CVE-2021-22207US	medium6.5	2.02% (81st)	—	3.4.5	2021-04-23	2 versions
CVE-2021-22222US	high7.5	1.91% (80th)	—	3.4.6	2021-06-07	3.4.0, → 3.4.6

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

CWE-401Missing Release of Memory after Effective Lifetime4 CVEs
CWE-770Allocation of Resources Without Limits or Throttling2 CVEs
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')2 CVEs
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')1 CVEs
CWE-125Out-of-bounds Read1 CVEs
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')1 CVEs

Which sources assert this record, and when.

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