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Apache HTTP Server Integer Overflow or Wraparound Vulnerability - CVE-2025-55753 - Vulnerability Database
Apache HTTP Server

Apache HTTP Server Integer Overflow or Wraparound Vulnerability - CVE-2025-55753

High
Reference: CVE-2025-55753
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2025-55753
Title: Apache HTTP Server Integer Overflow or Wraparound Vulnerability
Overview:

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.