RLSA-2026:84721
RLSA-2026:84721 · Important: wireshark security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.1 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
wireshark Rocky Linux:10
- Affected ranges
- ECOSYSTEM: < 1:4.4.2-10.el10_2.8
Update to 1:4.4.2-10.el10_2.8
Original sources
- https://errata.rockylinux.org/RLSA-2026:84721
- https://bugzilla.redhat.com/show_bug.cgi?id=2520079
- https://bugzilla.redhat.com/show_bug.cgi?id=2520088
- https://bugzilla.redhat.com/show_bug.cgi?id=2520093
- https://bugzilla.redhat.com/show_bug.cgi?id=2520098
- https://bugzilla.redhat.com/show_bug.cgi?id=2520100
- https://bugzilla.redhat.com/show_bug.cgi?id=2520103
- https://bugzilla.redhat.com/show_bug.cgi?id=2543033
- https://bugzilla.redhat.com/show_bug.cgi?id=2543037
- https://access.redhat.com/errata/RHSA-2026:84721
- https://osv.dev/vulnerability/RLSA-2026:84721