Red Hat Security Advisory: avahi security update
Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware applications allow you to plug your computer into a network and, with no configuration, view other people to chat with, view printers to print with, and find shared files on other computers. Security Fix(es): * avahi: Avahi Wide-Area DNS Uses Constant Source Port (CVE-2024-52615) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
CVE-2024-52615 is a vulnerability in Avahi's Wide-Area DNS component where it uses a constant source port. Avahi facilitates local network service discovery without configuration. Using a constant source port can reduce the randomness expected in DNS queries, potentially enabling certain types of attacks. Red Hat Product Security has rated this issue as moderate severity and released an update for Red Hat Enterprise Linux 10 to fix the problem. The advisory references Red Hat's errata RHSA-2025:16441 for details and remediation instructions.
Potential Impact
The vulnerability reduces the security of Avahi's Wide-Area DNS queries by using a constant source port, which may facilitate certain network attacks against DNS service discovery. However, the impact is rated moderate by Red Hat, and no known exploits have been reported in the wild. The vulnerability affects systems running Red Hat Enterprise Linux 10 and related variants using the affected Avahi packages.
Mitigation Recommendations
Red Hat has released an official security update for Avahi in Red Hat Enterprise Linux 10 to address CVE-2024-52615. Users should apply the update as described in Red Hat advisory RHSA-2025:16441 and the referenced article https://access.redhat.com/articles/11258. Applying this update mitigates the vulnerability. No additional immediate action is required beyond applying the official patch.
Red Hat Security Advisory: avahi security update
Description
Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware applications allow you to plug your computer into a network and, with no configuration, view other people to chat with, view printers to print with, and find shared files on other computers. Security Fix(es): * avahi: Avahi Wide-Area DNS Uses Constant Source Port (CVE-2024-52615) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2024-52615 is a vulnerability in Avahi's Wide-Area DNS component where it uses a constant source port. Avahi facilitates local network service discovery without configuration. Using a constant source port can reduce the randomness expected in DNS queries, potentially enabling certain types of attacks. Red Hat Product Security has rated this issue as moderate severity and released an update for Red Hat Enterprise Linux 10 to fix the problem. The advisory references Red Hat's errata RHSA-2025:16441 for details and remediation instructions.
Potential Impact
The vulnerability reduces the security of Avahi's Wide-Area DNS queries by using a constant source port, which may facilitate certain network attacks against DNS service discovery. However, the impact is rated moderate by Red Hat, and no known exploits have been reported in the wild. The vulnerability affects systems running Red Hat Enterprise Linux 10 and related variants using the affected Avahi packages.
Mitigation Recommendations
Red Hat has released an official security update for Avahi in Red Hat Enterprise Linux 10 to address CVE-2024-52615. Users should apply the update as described in Red Hat advisory RHSA-2025:16441 and the referenced article https://access.redhat.com/articles/11258. Applying this update mitigates the vulnerability. No additional immediate action is required beyond applying the official patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:16441
- Cve Count
- 1
Threat ID: 6a3da1e24853345fc182c8c6
Added to database: 06/25/2026, 21:47:14 UTC
Last enriched: 06/25/2026, 22:30:20 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 17
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