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-gobjectUpgrade avahi-glib-develUpgrade avahi-compat-libdns_sd-develUpgrade avahiUpgrade avahi-compat-howlUpgrade avahi-compat-libdns_sdUpgrade avahi-gobject-develUpgrade avahi-autoipdUpgrade avahi-develUpgrade 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-autoipdUpgrade avahi-glibUpgrade avahi-gobject-develUpgrade avahi-compat-libdns_sdUpgrade avahi-develUpgrade avahi-ui-develUpgrade avahiUpgrade avahi-dnsconfdUpgrade avahi-ui-gtk3Upgrade avahi-compat-libdns_sd-develUpgrade avahi-qt3Upgrade avahi-libsUpgrade avahi-gobjectUpgrade avahi-glib-develUpgrade avahi-qt3-develUpgrade avahi-toolsUpgrade avahi-debuginfoUpgrade avahi-compat-howl-develUpgrade avahi-ui-toolsUpgrade avahi-uiUpgrade avahi-qt4Upgrade avahi-qt4-develUpgrade avahi-compat-howl | Dec 20, 2024 | Nov 21, 2024 |
| Amazon_linux_2023 | — | Upgrade avahi-autoipdUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-compat-libdns_sd-develUpgrade avahi-libsUpgrade avahi-gobject-develUpgrade avahi-compat-libdns_sdUpgrade avahi-ui-gtk3Upgrade avahi-ui-gtk3-debuginfoUpgrade avahi-develUpgrade avahi-dnsconfd-debuginfoUpgrade avahi-compat-howlUpgrade avahi-autoipd-debuginfoUpgrade avahi-dnsconfdUpgrade avahi-compat-howl-debuginfoUpgrade avahi-ui-develUpgrade avahi-glib-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-toolsUpgrade avahi-glib-develUpgrade avahiUpgrade avahi-tools-debuginfoUpgrade avahi-gobjectUpgrade avahi-compat-howl-develUpgrade avahi-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-debugsourceUpgrade 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-compat-libdns_sdUpgrade avahiUpgrade avahi-gobject-develUpgrade avahi-toolsUpgrade avahi-compat-libdns_sd-develUpgrade avahi-autoipdUpgrade avahi-libsUpgrade avahi-develUpgrade avahi-compat-howlUpgrade avahi-glib-develUpgrade avahi-gobjectUpgrade avahi-glibUpgrade avahi-compat-howl-devel | May 26, 2025 | Nov 15, 2024 |
| Redhat_linux | — | Upgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-gobject-develUpgrade avahi-compat-libdns_sd-develUpgrade avahi-glibUpgrade avahi-dnsconfd-debuginfoUpgrade avahi-autoipd-debuginfoUpgrade avahi-libsUpgrade avahi-compat-howlUpgrade avahi-toolsUpgrade avahiUpgrade avahi-debuginfoUpgrade avahi-gobjectUpgrade avahi-ui-tools-debuginfoUpgrade avahi-compat-libdns_sdUpgrade avahi-autoipdUpgrade avahi-glib-develUpgrade avahi-tools-debuginfoNo solution existsUpgrade avahi-compat-howl-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-ui-debuginfoUpgrade avahi-develUpgrade avahi-debugsourceUpgrade avahi-compat-howl-develUpgrade avahi-libs-debuginfoUpgrade avahi-glib-debuginfo | May 15, 2025 | Nov 21, 2024 |
| Rocky_linux | — | Upgrade avahi-autoipdUpgrade avahi-compat-howlUpgrade avahiUpgrade avahi-compat-libdns_sdUpgrade avahi-glib-debuginfoUpgrade avahi-compat-libdns_sd-develUpgrade avahi-tools-debuginfoUpgrade avahi-develUpgrade avahi-glib-develUpgrade avahi-autoipd-debuginfoUpgrade avahi-gobject-develUpgrade avahi-gobjectUpgrade avahi-glibUpgrade avahi-libsUpgrade avahi-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-toolsUpgrade avahi-compat-howl-develUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-debugsource | Nov 4, 2025 | Oct 4, 2025 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Nov 21, 2024 |
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