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.
Risk Information
Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.072
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2025-55753 are fixed in Apache 2.4.66 | Windows |
| Multiple vulnerabilities are fixed in Mac OS - Sonoma 14.8.5 (Software Update)(Auto Reboot) | Mac |
| Multiple vulnerabilities are fixed in Mac OS Sequoia 15.7.5 (Software Update) (Auto Reboot) | Mac |
| Multiple vulnerabilities are fixed in macOS Tahoe 26.4 (Software Update) (Auto Reboot) | Mac |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-614082 | Mac OS - Sonoma 14.8.5 (Software Update)(Auto Reboot) |
| PATCH-614081 | Mac OS Sequoia 15.7.5 (Software Update) (Auto Reboot) |
| PATCH-614080 | macOS Tahoe 26.4 (Software Update) (Auto Reboot)(Deployment-Only) |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234