RLSA-2026:84721

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Source
https://errata.rockylinux.org/RLSA-2026:84721
Import Source
https://storage.googleapis.com/resf-osv-data/RLSA-2026:84721.json
JSON Data
https://api.osv.dev/v1/vulns/RLSA-2026:84721
Upstream
CVE (8)
Published
2026-10-20T12:10:14Z
Modified
2026-10-20T12:15:37Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Important: wireshark security update
Details

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 via C12.22 protocol dissector crash (CVE-2026-76879)

  • wireshark: Wireshark: Denial of Service via X.509IF protocol dissector crash (CVE-2026-76928)

  • 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)

  • wireshark: Heap-based Buffer Overflow in Wireshark (CVE-2026-95389)

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.

Database specific 
{
    "license":  "CC-BY-4.0",
    "license_url":  "https://creativecommons.org/licenses/by/4.0/",
    "source_advisory":  "RHSA-2026:84721"
}
References
Credits
    • Rocky Enterprise Software Foundation
    • Red Hat

Affected packages

Rocky Linux:10 / wireshark

Package

Name
wireshark
Purl
pkg:rpm/rocky-linux/wireshark?distro=rocky-linux-10&epoch=1

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1:4.4.2-10.el10_2.8
Database specific
Show details 
{
    "yum_repository":  "AppStream"
}

Database specific

source 
"https://storage.googleapis.com/resf-osv-data/RLSA-2026:84721.json"