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-glibUpgrade avahi-compat-howl-develUpgrade avahi-toolsUpgrade avahi-libsUpgrade avahi-gobjectUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-howlUpgrade avahi-glib-develUpgrade avahi-gobject-develUpgrade avahiUpgrade avahi-compat-libdns_sd-develUpgrade avahi-develUpgrade avahi-autoipd | May 22, 2025 | Nov 21, 2024 |
| Alpine Linux | — | Upgrade avahi | Aug 8, 2025 | Nov 21, 2024 |
| Amazon Linux Ami 2 | — | Upgrade avahi-uiUpgrade avahi-compat-howl-develUpgrade avahi-qt3-develUpgrade avahi-qt4-develUpgrade avahi-qt4Upgrade avahi-ui-toolsUpgrade avahi-toolsUpgrade avahi-debuginfoUpgrade avahi-compat-howlUpgrade avahi-gobjectUpgrade avahi-libsUpgrade avahiUpgrade avahi-compat-libdns_sdUpgrade avahi-glibUpgrade avahi-autoipdUpgrade avahi-compat-libdns_sd-develUpgrade avahi-ui-develUpgrade avahi-develUpgrade avahi-ui-gtk3Upgrade avahi-qt3Upgrade avahi-glib-develUpgrade avahi-dnsconfdUpgrade avahi-gobject-devel | Dec 20, 2024 | Nov 21, 2024 |
| Amazon_linux_2023 | — | Upgrade avahi-glib-develUpgrade avahi-gobject-debuginfoUpgrade avahi-debugsourceUpgrade avahi-glibUpgrade avahi-debuginfoUpgrade avahi-toolsUpgrade avahi-compat-howl-develUpgrade avahi-glib-debuginfoUpgrade avahi-libs-debuginfoUpgrade avahi-tools-debuginfoUpgrade avahiUpgrade avahi-gobjectUpgrade avahi-gobject-develUpgrade avahi-compat-libdns_sdUpgrade avahi-autoipdUpgrade avahi-develUpgrade avahi-ui-gtk3Upgrade avahi-dnsconfd-debuginfoUpgrade avahi-compat-howlUpgrade avahi-dnsconfdUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-libsUpgrade avahi-compat-libdns_sd-develUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-autoipd-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-ui-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-compat-howl-develUpgrade avahi-glibUpgrade avahi-gobject-develUpgrade avahi-toolsUpgrade avahi-libsUpgrade avahiUpgrade avahi-autoipdUpgrade avahi-compat-libdns_sd-develUpgrade avahi-glib-develUpgrade avahi-gobjectUpgrade avahi-develUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-howl | May 26, 2025 | Nov 15, 2024 |
| Redhat_linux | — | Upgrade avahi-glib-debuginfoUpgrade avahi-gobjectUpgrade avahi-libs-debuginfoUpgrade avahi-develUpgrade avahi-autoipdUpgrade avahi-compat-howl-develUpgrade avahi-compat-libdns_sdUpgrade avahi-ui-tools-debuginfoNo solution existsUpgrade avahi-ui-gtk3-debuginfoUpgrade avahi-gobject-debuginfoUpgrade avahi-glib-develUpgrade avahi-compat-howl-debuginfoUpgrade avahi-debugsourceUpgrade avahi-ui-debuginfoUpgrade avahi-tools-debuginfoUpgrade avahi-gobject-develUpgrade avahi-toolsUpgrade avahi-libsUpgrade avahi-autoipd-debuginfoUpgrade avahi-compat-libdns_sd-develUpgrade avahi-dnsconfd-debuginfoUpgrade avahi-glibUpgrade avahi-debuginfoUpgrade avahiUpgrade avahi-compat-howlUpgrade avahi-compat-libdns_sd-debuginfo | May 15, 2025 | Nov 21, 2024 |
| Rocky_linux | — | Upgrade avahi-compat-howl-develUpgrade avahi-libs-debuginfoUpgrade avahi-compat-libdns_sd-debuginfoUpgrade avahi-debuginfoUpgrade avahi-compat-howl-debuginfoUpgrade avahi-debugsourceUpgrade avahi-gobject-debuginfoUpgrade avahi-toolsUpgrade avahi-gobject-develUpgrade avahi-gobjectUpgrade avahi-autoipdUpgrade avahi-libsUpgrade avahi-glibUpgrade avahi-develUpgrade avahi-compat-libdns_sdUpgrade avahi-compat-howlUpgrade avahiUpgrade avahi-tools-debuginfoUpgrade avahi-compat-libdns_sd-develUpgrade avahi-glib-debuginfoUpgrade avahi-autoipd-debuginfoUpgrade avahi-glib-devel | Nov 4, 2025 | Oct 4, 2025 |
| Ubuntu | — | No solution exists | Jun 26, 2025 | Nov 21, 2024 |
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