{"id":"ALSA-2026:84721","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 via C12.22 protocol dissector crash (CVE-2026-76879)\n  * wireshark: Wireshark: Denial of Service via X.509IF protocol dissector crash (CVE-2026-76928)\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  * wireshark: Heap-based Buffer Overflow in Wireshark (CVE-2026-95389)\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":"2026-10-20T15:12:24.441261035Z","published":"2026-10-19T00:00:00Z","related":["CVE-2026-76879","CVE-2026-76880","CVE-2026-76886","CVE-2026-76919","CVE-2026-76927","CVE-2026-76928","CVE-2026-95387","CVE-2026-95389"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:84721"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-76879"},{"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-2026-76928"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-95387"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-95389"},{"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/2520098"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2520100"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2520103"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2543033"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2543037"},{"type":"ADVISORY","url":"https://errata.almalinux.org/10/ALSA-2026-84721.html"}],"affected":[{"package":{"name":"wireshark","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/wireshark"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.4.2-10.el10_2.8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:84721.json"}},{"package":{"name":"wireshark-cli","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/wireshark-cli"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.4.2-10.el10_2.8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:84721.json"}},{"package":{"name":"wireshark-devel","ecosystem":"AlmaLinux:10","purl":"pkg:rpm/almalinux/wireshark-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:4.4.2-10.el10_2.8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux10/ALSA-2026:84721.json"}}],"schema_version":"1.9.0"}