RLSA-2026:98089: Important: wireshark security update
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
rocky-linux/wireshark-develto a version that resolves this vulnerability.Fixed in 1:4.4.2-10.el10_2.8 - Upgrade
Upgrade
rocky-linux/wireshark-cli-debuginfoto a version that resolves this vulnerability.Fixed in 1:4.4.2-10.el10_2.8 - Upgrade
Upgrade
rocky-linux/wireshark-debuginfoto a version that resolves this vulnerability.Fixed in 1:4.4.2-10.el10_2.8 - Upgrade
Upgrade
rocky-linux/wireshark-clito a version that resolves this vulnerability.Fixed in 1:4.4.2-10.el10_2.8 - Upgrade
Upgrade
rocky-linux/wiresharkto a version that resolves this vulnerability.Fixed in 1:4.4.2-10.el10_2.8 - Upgrade
Upgrade
rocky-linux/wireshark-debugsourceto a version that resolves this vulnerability.Fixed in 1:4.4.2-10.el10_2.8
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
Which installed package variants are covered by this advisory?
The advisory covers wireshark, wireshark-cli, wireshark-devel, wireshark-debuginfo, wireshark-cli-debuginfo, and wireshark-debugsource packages from Rocky Linux.
Does exploitation require credentials or user interaction?
The supplied CVSS vector indicates network-based exploitation with no privileges required and no user interaction required. It also rates attack complexity as high.
What kinds of failures are addressed?
The listed fixes include protocol-dissector crashes, denial-of-service issues, an out-of-bounds write in the RRC dissector, and heap-based buffer overflows, including one in the SPDY dissector.