Red Hat Security Advisory

RHSA-2026:83657

wireshark security update

Released 2026-10-15 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream (v. 8) wireshark-1:2.6.2-21.el8_10, wireshark-cli-1:2.6.2-21.el8_10
Red Hat Enterprise Linux CRB (v. 8) wireshark-devel-1:2.6.2-21.el8_10

TI-2026-53718 CVE-2026-76886 · GHSA-wrhv-64xq-9g54

HIGH 76

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00382 Published 2026-08-19 Partial fix · 4.6.8, 4.4.18 CWE-122

TI-2026-53712 CVE-2026-76880 · GHSA-fh6r-4w3g-qgmx

LOW 38

RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00243 Published 2026-08-19 Partial fix · 4.6.8, 4.4.18 CWE-787

TI-2026-53736 CVE-2026-76919 · GHSA-q6rp-8q4h-v3mc

LOW 33

ESS protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00312 Published 2026-08-19 Partial fix · 4.6.8, 4.4.18 CWE-457

TI-2026-53744 CVE-2026-76927 · GHSA-wgph-5cfp-hvhq

LOW 32

H.245 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00184 Published 2026-08-19 Partial fix · 4.6.8, 4.4.18 CWE-476