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.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade avahi-gobject-develUpgrade avahiUpgrade avahi-compat-howlUpgrade avahi-autoipdUpgrade avahi-develUpgrade avahi-glib-develUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-libdns_sd-develUpgrade avahi-gobjectUpgrade avahi-libsUpgrade avahi-glibUpgrade avahi-compat-howl-develUpgrade avahi-tools | May 22, 2025 | Nov 21, 2024 |
| Alpine Linux | — | Upgrade avahi | Aug 8, 2025 | Nov 21, 2024 |
| Amazon Linux Ami 2 | — | Upgrade avahi-gobjectUpgrade avahi-gobject-develUpgrade avahi-autoipdUpgrade avahi-glib-develUpgrade avahi-ui-gtk3Upgrade avahi-libsUpgrade avahiUpgrade avahi-qt3Upgrade avahi-ui-develUpgrade avahi-develUpgrade avahi-glibUpgrade avahi-compat-libdns_sd-develUpgrade avahi-dnsconfdUpgrade avahi-compat-libdns_sdUpgrade avahi-ui-toolsUpgrade avahi-compat-howl-develUpgrade avahi-qt4-develUpgrade avahi-toolsUpgrade avahi-qt4Upgrade avahi-uiUpgrade avahi-qt3-develUpgrade avahi-debuginfoUpgrade avahi-compat-howl | Dec 20, 2024 | Nov 21, 2024 |
| Amazon_linux_2023 | — | Upgrade avahi-compat-libdns_sdUpgrade avahi-libsUpgrade avahi-compat-libdns_sd-develUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-ui-gtk3Upgrade avahi-dnsconfd-debuginfoUpgrade avahi-gobject-develUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-ui-develUpgrade avahi-compat-howlUpgrade avahi-autoipd-debuginfoUpgrade avahi-dnsconfdUpgrade avahi-develUpgrade avahi-autoipdUpgrade avahi-glibUpgrade avahi-tools-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahiUpgrade avahi-glib-develUpgrade avahi-glib-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-compat-howl-develUpgrade avahi-gobjectUpgrade avahi-toolsUpgrade avahi-debugsourceUpgrade avahi-debuginfo | 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-develUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-howlUpgrade avahi-toolsUpgrade avahi-autoipdUpgrade avahi-libsUpgrade avahi-glib-develUpgrade avahi-gobjectUpgrade avahiUpgrade avahi-compat-libdns_sd-develUpgrade avahi-gobject-devel | May 26, 2025 | Nov 15, 2024 |
| Redhat_linux | — | Upgrade avahi-tools-debuginfoUpgrade avahi-glib-debuginfoUpgrade avahi-autoipdUpgrade avahi-develUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-ui-debuginfoUpgrade avahi-glib-develNo solution existsUpgrade avahi-ui-tools-debuginfoUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-howl-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-debugsourceUpgrade avahi-gobjectUpgrade avahi-compat-howl-develUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahiUpgrade avahi-dnsconfd-debuginfoUpgrade avahi-compat-howlUpgrade avahi-toolsUpgrade avahi-libsUpgrade avahi-glibUpgrade avahi-compat-libdns_sd-develUpgrade avahi-gobject-develUpgrade avahi-debuginfoUpgrade avahi-autoipd-debuginfo | May 15, 2025 | Nov 21, 2024 |
| Rocky_linux | — | Upgrade avahi-compat-howl-develUpgrade avahi-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-debugsourceUpgrade avahi-toolsUpgrade avahi-compat-libdns_sdUpgrade avahi-libsUpgrade avahi-compat-libdns_sd-develUpgrade avahi-develUpgrade avahi-compat-howlUpgrade avahi-autoipdUpgrade avahiUpgrade avahi-glib-debuginfoUpgrade avahi-autoipd-debuginfoUpgrade avahi-gobject-develUpgrade avahi-glib-develUpgrade avahi-gobjectUpgrade avahi-tools-debuginfoUpgrade avahi-glib | Nov 4, 2025 | Oct 4, 2025 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Nov 21, 2024 |
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