Skip to content
OpenAdvisories
Medium ALSA-2026:83657 4 CVEs

Moderate: wireshark security update

Published Oct 15, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

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)

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 3

ReleasePackageFixed in
AlmaLinux · 8 wireshark 1:2.6.2-21.el8_10
AlmaLinux · 8 wireshark-cli 1:2.6.2-21.el8_10
AlmaLinux · 8 wireshark-devel 1:2.6.2-21.el8_10

Vulnerabilities 4

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-76880
  • report
    https://access.redhat.com/security/cve/CVE-2026-76886
  • report
    https://access.redhat.com/security/cve/CVE-2026-76919
  • report
    https://access.redhat.com/security/cve/CVE-2026-76927
  • report
    https://bugzilla.redhat.com/2520079
  • report
    https://bugzilla.redhat.com/2520088
  • report
    https://bugzilla.redhat.com/2520093
  • report
    https://bugzilla.redhat.com/2520103
  • advisory
    https://errata.almalinux.org/8/ALSA-2026-83657.html