CVE-2020-26422 | BDVDB-2026-146291 Detail

The Wireshark FoundationWireshark

Description#

Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact low. Attack vector: network.

No weakness recorded in the source data.

No public exploit known

3.7 Low

4.7%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 91.9.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

3.7 Low

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).