{"id":"ALSA-2026:83546","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.  \n\nSecurity Fix(es):  \n\n  * wireshark: Wireshark: Denial of Service via C12.22 protocol dissector crash (CVE-2026-76886)\n  * wireshark: Wireshark: Denial of Service via RRC protocol dissector out-of-bounds write (CVE-2026-76880)\n  * wireshark: Wireshark: Denial of Service vulnerability in ESS protocol dissector (CVE-2026-76919)\n  * wireshark: Wireshark: Denial of Service vulnerability in H.245 protocol dissector (CVE-2026-76927)\n  * wireshark: wireshark: Denial of Service via heap-based buffer overflow in SPDY dissector (CVE-2026-95387)\n\n\nFor 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.\n","modified":"2026-10-16T10:26:53.412962334Z","published":"2026-10-15T00:00:00Z","related":["CVE-2026-76880","CVE-2026-76886","CVE-2026-76919","CVE-2026-76927","CVE-2026-95387"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:83546"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-76880"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-76886"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-76919"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-76927"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-95387"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2520079"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2520088"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2520093"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2520103"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2543033"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-83546.html"}],"affected":[{"package":{"name":"wireshark","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/wireshark"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-9.el9_8.5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:83546.json"}},{"package":{"name":"wireshark-cli","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/wireshark-cli"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-9.el9_8.5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:83546.json"}},{"package":{"name":"wireshark-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/wireshark-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-9.el9_8.5"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:83546.json"}}],"schema_version":"1.9.0"}