vulnerability
Oracle Linux: CVE-2025-55753: ELSA-2025-23732: httpd:2.4 security update (IMPORTANT) (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:C/I:N/A:N) | Dec 5, 2025 | Dec 24, 2025 | Dec 29, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:C/I:N/A:N)
Published
Dec 5, 2025
Added
Dec 24, 2025
Modified
Dec 29, 2025
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.
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.
Solutions
oracle-linux-upgrade-httpdoracle-linux-upgrade-httpd-develoracle-linux-upgrade-httpd-filesystemoracle-linux-upgrade-httpd-manualoracle-linux-upgrade-httpd-toolsoracle-linux-upgrade-mod-http2oracle-linux-upgrade-mod-ldaporacle-linux-upgrade-mod-mdoracle-linux-upgrade-mod-proxy-htmloracle-linux-upgrade-mod-sessionoracle-linux-upgrade-mod-ssl
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