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Affected Component
Analysis
apache
Exploitable
Name
CVE-2025-55753
Description
An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certificate then are repeated without delays until it succeeds.
This issue affects Apache HTTP Server: from 2.4.30 before 2.4.66.
Users are recommended to upgrade to version 2.4.66, which fixes the issue.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
http://www.openwall.com/lists/oss-security/2025/12/04/4Issue Tracking
Analysis#
Vulnerability Ratings#
7.5
CVSSv31
NaN
other