CVE-2025-59529

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 12.7% of scored records. A rank, not a probability.

NVD base score

5.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-10-23.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-12-18 20:25Z10 MO AGO

Last updated

2026-10-23 19:33Z5 DAYS AGO

Reserved

2025-09-17

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.5)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

• CWE-400Uncontrolled Resource ConsumptionClass
• CWE-770Allocation of Resources Without Limits or ThrottlingBase

Data version

5.2

Document digest

0baed7d3f17b4be7534c6c56faecc895f48588c2a4cdcad06dfc962bd02a266d

• github.comhttps://github.com/avahi/avahi/security/advisories/GHSA-73wf-3xmj-x82qx_refsource_CONFIRM
• github.comhttps://github.com/avahi/avahi/pull/808x_refsource_MISC
• github.comhttps://github.com/avahi/avahi/pull/975x_refsource_MISC
• zeropath.comhttps://zeropath.com/blog/avahi-simple-protocol-server-dos-cve-2025-59529x_refsource_MISC
• www.openwall.comhttp://www.openwall.com/lists/oss-security/2025/12/19/1