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A flaw was found in the Avahi-daemon, where it initializes DNS transaction IDs randomly only once at startup, incrementing them sequentially after that. This predictable behavior facilitates DNS spoofing attacks, allowing attackers to guess transaction IDs.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade avahi-glib-develUpgrade avahi-gobjectUpgrade avahi-develUpgrade avahi-compat-howlUpgrade avahi-autoipdUpgrade avahi-libsUpgrade avahiUpgrade avahi-gobject-develUpgrade avahi-compat-libdns_sd-develUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-howl-develUpgrade avahi-glibUpgrade avahi-tools | May 22, 2025 | Nov 21, 2024 |
| Alpine Linux | — | Upgrade avahi | Aug 8, 2025 | Nov 21, 2024 |
| Amazon Linux Ami 2 | — | Upgrade avahi-compat-howl-develUpgrade avahi-toolsUpgrade avahi-uiUpgrade avahi-ui-toolsUpgrade avahi-qt4Upgrade avahi-debuginfoUpgrade avahi-qt4-develUpgrade avahi-qt3-develUpgrade avahi-compat-howlUpgrade avahi-qt3Upgrade avahi-compat-libdns_sd-develUpgrade avahi-glibUpgrade avahi-compat-libdns_sdUpgrade avahi-ui-develUpgrade avahi-develUpgrade avahi-gobject-develUpgrade avahi-libsUpgrade avahi-glib-develUpgrade avahiUpgrade avahi-autoipdUpgrade avahi-gobjectUpgrade avahi-ui-gtk3Upgrade avahi-dnsconfd | Dec 20, 2024 | Nov 21, 2024 |
| Amazon_linux_2023 | — | Upgrade avahi-autoipd-debuginfoUpgrade avahi-dnsconfdUpgrade avahi-compat-libdns_sd-develUpgrade avahi-compat-howlUpgrade avahi-ui-gtk3Upgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-develUpgrade avahi-compat-libdns_sdUpgrade avahi-ui-develUpgrade avahi-compat-howl-debuginfoUpgrade avahi-libsUpgrade avahi-dnsconfd-debuginfoUpgrade avahi-autoipdUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-gobject-develUpgrade avahi-glib-debuginfoUpgrade avahi-toolsUpgrade avahi-gobjectUpgrade avahi-libs-debuginfoUpgrade avahi-tools-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-glib-develUpgrade avahiUpgrade avahi-debuginfoUpgrade avahi-debugsourceUpgrade avahi-glibUpgrade avahi-compat-howl-devel | Feb 17, 2025 | Nov 15, 2024 |
| Debian | — | No solution exists | May 15, 2025 | Nov 21, 2024 |
| Dell Powerstore Dsa2025342 | — | Upgrade Dell PowerStoreOS to the latest version | Oct 23, 2025 | Sep 2, 2025 |
| Dell Powerstore Dsa2026039 | — | Upgrade Dell PowerStoreOS to the latest version | Jan 13, 2026 | Jan 6, 2026 |
| Huawei Euleros 2_0_sp10 | — | Upgrade avahi-libs | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp11 | — | Upgrade avahi-libs | Dec 12, 2025 | Dec 11, 2025 |
| Huawei Euleros 2_0_sp12 | — | Upgrade avahi-libs | Jan 15, 2026 | Jan 6, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade avahi-libs | Dec 12, 2025 | Dec 11, 2025 |
| Oracle_linux | — | Upgrade avahi-glibUpgrade avahi-compat-howl-develUpgrade avahi-autoipdUpgrade avahi-libsUpgrade avahi-gobject-develUpgrade avahi-gobjectUpgrade avahi-compat-howlUpgrade avahi-toolsUpgrade avahi-develUpgrade avahi-compat-libdns_sdUpgrade avahi-glib-develUpgrade avahi-compat-libdns_sd-develUpgrade avahi | May 26, 2025 | Nov 15, 2024 |
| Redhat_linux | — | Upgrade avahi-glib-develUpgrade avahi-autoipdUpgrade avahi-gobjectUpgrade avahi-debugsourceUpgrade avahi-libs-debuginfoUpgrade avahi-glib-debuginfoUpgrade avahi-ui-tools-debuginfoUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-develUpgrade avahi-ui-debuginfoUpgrade avahi-tools-debuginfoUpgrade avahi-compat-howl-develNo solution existsUpgrade avahi-compat-libdns_sdUpgrade avahi-gobject-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-compat-libdns_sd-develUpgrade avahi-gobject-develUpgrade avahi-dnsconfd-debuginfoUpgrade avahi-glibUpgrade avahiUpgrade avahi-toolsUpgrade avahi-autoipd-debuginfoUpgrade avahi-libsUpgrade avahi-debuginfoUpgrade avahi-compat-howlUpgrade avahi-compat-libdns_sd-debuginfo | May 15, 2025 | Nov 21, 2024 |
| Rocky_linux | — | Upgrade avahi-debugsourceUpgrade avahi-libs-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-compat-howl-develUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-toolsUpgrade avahi-debuginfoUpgrade avahi-compat-libdns_sdUpgrade avahi-develUpgrade avahi-libsUpgrade avahi-glibUpgrade avahi-autoipdUpgrade avahi-autoipd-debuginfoUpgrade avahi-gobject-develUpgrade avahi-glib-develUpgrade avahi-glib-debuginfoUpgrade avahiUpgrade avahi-compat-howlUpgrade avahi-compat-libdns_sd-develUpgrade avahi-tools-debuginfoUpgrade avahi-gobject | Nov 4, 2025 | Oct 4, 2025 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Nov 21, 2024 |
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