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-libsUpgrade avahi-compat-libdns_sdUpgrade avahi-glib-develUpgrade avahi-compat-howlUpgrade avahi-autoipdUpgrade avahi-gobjectUpgrade avahi-develUpgrade avahi-compat-libdns_sd-develUpgrade avahi-gobject-develUpgrade avahiUpgrade avahi-toolsUpgrade avahi-compat-howl-develUpgrade avahi-glib | May 22, 2025 | Nov 21, 2024 |
| Alpine Linux | — | Upgrade avahi | Aug 8, 2025 | Nov 21, 2024 |
| Amazon Linux Ami 2 | — | Upgrade avahi-ui-toolsUpgrade avahi-toolsUpgrade avahi-qt4Upgrade avahi-compat-howl-develUpgrade avahi-qt3-develUpgrade avahi-compat-howlUpgrade avahi-qt4-develUpgrade avahi-uiUpgrade avahi-debuginfoUpgrade avahi-develUpgrade avahiUpgrade avahi-libsUpgrade avahi-compat-libdns_sd-develUpgrade avahi-autoipdUpgrade avahi-glib-develUpgrade avahi-dnsconfdUpgrade avahi-ui-develUpgrade avahi-ui-gtk3Upgrade avahi-glibUpgrade avahi-compat-libdns_sdUpgrade avahi-gobjectUpgrade avahi-gobject-develUpgrade avahi-qt3 | Dec 20, 2024 | Nov 21, 2024 |
| Amazon_linux_2023 | — | Upgrade avahi-ui-develUpgrade avahi-ui-gtk3Upgrade avahi-autoipdUpgrade avahi-compat-howl-debuginfoUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-dnsconfdUpgrade avahi-autoipd-debuginfoUpgrade avahi-gobject-develUpgrade avahi-compat-libdns_sdUpgrade avahi-dnsconfd-debuginfoUpgrade avahi-compat-howlUpgrade avahi-libsUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-compat-libdns_sd-develUpgrade avahi-develUpgrade avahi-compat-howl-develUpgrade avahi-debugsourceUpgrade avahi-gobjectUpgrade avahi-glib-develUpgrade avahi-glib-debuginfoUpgrade avahiUpgrade avahi-tools-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-toolsUpgrade avahi-debuginfoUpgrade avahi-glib | 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-develUpgrade avahi-autoipdUpgrade avahi-toolsUpgrade avahi-compat-libdns_sdUpgrade avahi-libsUpgrade avahi-gobjectUpgrade avahi-gobject-develUpgrade avahi-compat-libdns_sd-develUpgrade avahi-glib-develUpgrade avahiUpgrade avahi-compat-howlUpgrade avahi-glibUpgrade avahi-compat-howl-devel | May 26, 2025 | Nov 15, 2024 |
| Redhat_linux | — | Upgrade avahi-ui-debuginfoUpgrade avahi-compat-howl-develUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-autoipdUpgrade avahi-compat-libdns_sdUpgrade avahi-glib-develUpgrade avahi-debugsourceUpgrade avahi-compat-howl-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-ui-tools-debuginfoUpgrade avahi-glib-debuginfoUpgrade avahi-develUpgrade avahi-libs-debuginfoUpgrade avahi-gobjectNo solution existsUpgrade avahi-tools-debuginfoUpgrade avahi-libsUpgrade avahi-gobject-develUpgrade avahi-autoipd-debuginfoUpgrade avahi-compat-howlUpgrade avahi-toolsUpgrade avahiUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-glibUpgrade avahi-compat-libdns_sd-develUpgrade avahi-debuginfoUpgrade avahi-dnsconfd-debuginfo | May 15, 2025 | Nov 21, 2024 |
| Rocky_linux | — | Upgrade avahi-toolsUpgrade avahi-debugsourceUpgrade avahi-compat-howl-develUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-gobjectUpgrade avahi-compat-libdns_sd-develUpgrade avahi-glibUpgrade avahi-develUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-howlUpgrade avahi-autoipdUpgrade avahi-libsUpgrade avahi-tools-debuginfoUpgrade avahi-autoipd-debuginfoUpgrade avahi-gobject-develUpgrade avahi-glib-debuginfoUpgrade avahi-glib-develUpgrade avahi | Nov 4, 2025 | Oct 4, 2025 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Nov 21, 2024 |
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