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High RLSA-2026:83546 5 CVEs

Important: wireshark security update

Published Oct 16, 2026 · Updated Oct 16, 2026

Ecosystem: Rocky Linux

Summary

The wireshark packages contain a network protocol analyzer used to capture and browse the traffic running on a computer network.

Security Fix(es):

* wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)

* wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write (CVE-2026-76880)

* wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)

* wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)

* wireshark: wireshark: Denial of Service via heap-based buffer overflow in SPDY dissector (CVE-2026-95387)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 1

ReleasePackageFixed in
Rocky Linux · 9 wireshark 1:3.4.10-9.el9_8.5

Vulnerabilities 5

References

  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2520079
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2520088
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2520093
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2520103
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2543033
  • advisory
    https://access.redhat.com/errata/RHSA-2026:83546